Master Minimum Equipment List (MMEL) Revision: 41

23-31 Item 23-45-02-04 Update proviso per National Policy N8900.669. 25-2 Item 25-11-02-01A Update proviso per National Policy N8900.669. 25-10 Item 25-25-03 Update item title per National Policy N8900.669. 25-13 Item 25-28-01B Update proviso per National Policy N8900.669. 25-16 Item 25-39-06-05 Update item title per National Policy N8900.669. 25-18 Items 25-39-06-07-01 Added relief in accordance with PL-132, Revision 0, GC. 25-21 Items 25-54-01 Revised MMEL in accordance with PL-100, Revision 3, GC. 25-22 Item 25-58-01 Revised MMEL in accordance with PL-100, Revision 3, GC. 25-23 Item 25-61-01 Update item title per National Policy N8900.669. 25-24 Item 25-63-01-01B Added relief in accordance with PL-125, Revision 1. Items 25-63-01-01-01 Added relief in accordance with PL-132, Revision 0, GC. 25-25 Item 25-63-04 Revised MMEL in accordance with PL-132, Revision 0, GC. Items 25-63-04-01 Added relief in accordance with PL-132, Revision 0, GC. 25-26 thru 27 Item 25-63-10 thru 25-63-11 Moved to item 23-24-01 thru 23-24-02. Relief moved from chapter 25 to chapter 23 for standardization with other models. 25-28 Item 25-64-01-01-01 Added relief in accordance with PL-132, Revision 0, GC. Item 25-64-01-02-01 Added relief in accordance with PL-132, Revision 0, GC. 25-29 Item 25-64-01-03-01 Added relief in accordance with PL-132, Revision 0, GC. 26-3 Item 26-10-05-04 Revised MMEL in accordance with PL-132, Revision 0, GC. Item 26-10-05-04-01 Added relief in accordance with PL-132, Revision 0, GC. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 41 DATE: 12/26/2023 PAGE NO. V AIRCRAFT: Boeing 767 HIGHLIGHTS OF CHANGE PAGE NO. EXPLANATION OF CHANGE 26-5 Item 26-15-01 Added “APU Fire Detection System (Cont’d)”. 26-18 Item 26-26-01-01 Added relief in accordance with PL-132, Revision 0, GC. 26-19 Item 26-26-03-01-01 Removed “NOTE: Attendant call and occupancy indications are considered NEF”. 28-10 Item 28-41-03-02 Updated supplier name. 31-1 Item 31-25-02 Revised relief for Clock Switches. 31-8 Item 31-63-01-03 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. Item 31-63-02-03 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 31-9 Item 31-63-04-02 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. Item 31-63-07-02 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 31-10 Item 31-63-12 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 33-1 Item 33-14-01 Update item title per National Policy N8900.669. 33-4 Item 33-20-04-02 Update proviso per National Policy N8900.669. 33-5 Item 33-20-04-04 Update proviso per National Policy N8900.669. 33-8 Items 33-24-02 Update item title and proviso per National Policy N8900.669. 34-2 Item 34-00-01-04 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 34-9 Item 34-22-06-04 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. Item 34-22-06-05 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. Item 34-22-06-06 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 41 DATE: 12/26/2023 PAGE NO. VI AIRCRAFT: Boeing 767 HIGHLIGHTS OF CHANGE PAGE NO. EXPLANATION OF CHANGE 34-10 Item 34-22-06-07 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 34-20 Item 34-46-01-03 Fixed item label to align with PL-54, Revision 10, GC. 34-23 thru 25 Item 34-58-01 Fixed item label by defining acronym and correcting typo. 34-29 Item 34-61-01-05 Relief for STC ST09889AC removed and transferred to DRS website per PL-109. 35-1 Item 35-11-02-03 Update item title per National Policy N8900.669. 35-3 thru 4 Item 35-11-02-06 Update proviso per National Policy N8900.669. Item 35-11-03 Update item title per National Policy N8900.669. 35-4 Item 35-11-03-03 Update proviso per National Policy N8900.669. Item 35-20-01-01 Added relief in accordance with PL-132, Revision 0, GC. 35-8 thru 9 Item 35-31-01 Revised MMEL in accordance with PL-132, Revision 0, GC. Item 35-31-01-01 Added relief in accordance with PL-132, Revision 0, GC. 38-1 thru 2 Item 38-30-01 Revised item label to Waste Water Systems. Item 38-30-01B Revised proviso “b” in accordance with PL-83, Revision 8, GC. 73-2 Item 73-21-01-05 Changed proviso task from “05-51-73-200-801” to “05-51-73-200- 803-C”. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 41 DATE: 12/26/2023 PAGE NO. VII AIRCRAFT: Boeing 767 DEFINITIONS AND PREAMBLE Definitions For the Master Minimum Equipment List, Definitions addendum, refer to the current FAA MMEL Policy Letter PL-25, Policy Concerning MMEL Definitions, as found on the Dynamic Regulatory System (DRS) website. DRS - MMELs and AED Guidance Documents - Master Minimum Equipment List Policy Letters Preamble For the Master Minimum Equipment List, Preamble addendum as used for operations under 14 CFR Parts 121, 125, 129, and 135, refer to the current FAA Policy Letter PL-34, MMEL and MEL Preamble, as found on the Dynamic Regulatory System (DRS) website. DRS - MMELs and AED Guidance Documents - Master Minimum Equipment List Policy Letters U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-1 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -20-01 *** A/C Ozone Converters C 2 0 As required by 14 CFR. -22-01 *** Flight Deck Supply Boost Fan D 1 0 (M) May be inoperative deactivated. -24-01 *** Gasper Fan D 1 0 -25-01 *** Recirculation Fans -25-01-01 -200/-300 -25-01-01A C 2 1 -25-01-01B C 2 0 May be inoperative provided both packs operate normally. -25-01-02 -400ER -25-01-02A C 2 1 -25-01-02B C 2 0 (O) May be inoperative provided: a) Both packs operate normally, and b) Appropriate performance adjustments are applied. -25-02 *** Recirculation Fan INOP Lights C 2 0 (M) May be inoperative provided associated EICAS message is verified to operate normally. -28-01 *** Forward Cargo Air Conditioning System D 1 0 U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-2 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -29-01 Crew Rest Area Air Distribution System (STC ST00973WI-D) -29-01-01 Air Supply Shutoff Valves C 2 0 (M) May be inoperative closed provided associated crew rest area is locked closed and placarded DO NOT USE. NOTE: These provisos are not intended to prohibit crew rest area inspections by crewmembers. -29-01-02 Boost Fans C 2 0 (M) May be inoperative deactivated provided associated heater is deactivated. -29-02 Lower Lobe Crew Rest Air Distribution System (STCs ST01994SE and ST02137SE) C 1 0 (M) May be inoperative provided: a) Lower lobe crew rest module is not used and personal items are removed, and b) Lower lobe crew rest door is closed and placarded INOPERATIVE – DO NOT ENTER. NOTE: These provisos are not intended to prohibit crew rest inspections by crewmembers. -29-02-01 Air Flow Sensor C 1 0 (O) May be inoperative provided no hazardous goods are carried in associated cargo compartment. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-3 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -29-03 Crew Rest Module (STC ST03430NY) -29-03-01 Air Distribution System - Umbilical Hose Assembly C 1 0 (M)(O) May be inoperative provided: a) Crew rest module is not used and personal items are removed, b) Power is removed from the crew rest module, and c) Crew rest module door is closed and placarded DO NOT OCCUPY. NOTE: These provisos are not intended to prohibit crew rest module inspections by crewmembers. -29-03-02 Vent System - Umbilical Hose Assembly C 1 0 (M)(O) May be inoperative provided: a) Crew rest module is not used and personal items are removed, b) Power is removed from the crew rest module, and c) Crew rest module door is closed and placarded DO NOT OCCUPY. NOTE: These provisos are not intended to prohibit crew rest module inspections by crewmembers. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-4 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -29-04 Crew Rest Module (STC ST02568SE) D 1 0 (M)(O) May be inoperative provided use of CRM is prohibited. -29-04-01 Air Supply System D 1 0 (M)(O) May be inoperative provided use of CRM is prohibited. -29-04-02 Gasper Nozzles -29-04-02A D 4 1 (M)(O) May be inoperative provided at least one operational nozzle remains open. -29-04-02B D 4 0 (M)(O) May be inoperative provided use of CRM is prohibited. -29-04-03 Louver Vent Assemblies -29-04-03A D 3 1 (M)(O) May be inoperative provided at least one operational louver remains open. -29-04-03B D 3 0 (M)(O) May be inoperative provided use of CRM is prohibited. -29-04-04 Air Distribution Shut-Off Isolation Valve D 1 0 (M)(O) May be inoperative provided use of CRM is prohibited. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-5 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -31-01 Auto Cabin Pressure Control Systems -31-01A C 2 1 One may be inoperative provided manual mode and one autopilot operate normally. -31-01B C 2 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Manual cabin pressure control system operates normally, c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-6 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -31-01 Auto Cabin Pressure Control Systems (Cont’d) -31-01B (Cont’d) e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. -31-01C C 2 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Extended overwater flight is prohibited, (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-7 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -31-01 Auto Cabin Pressure Control Systems (Cont’d) -31-01C (Cont’d) c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-8 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -31-02 Manual Cabin Pressure Control System C 1 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Extended overwater flight is prohibited, c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-9 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -31-03 Outflow Valve C 1 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Extended overwater flight is prohibited, c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-10 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -32-01 Positive Pressure Relief Valves -32-01A C - - (M) One may be inoperative closed. -32-01B C - 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Manual cabin pressure control system operates normally, c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-11 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -32-01 Positive Pressure Relief Valves (Cont’d) -32-01B (Cont’d) f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. -32-01C C - 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Extended overwater flight is prohibited, c) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-12 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -32-01 Positive Pressure Relief Valves (Cont’d) -32-01C (Cont’d) e) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and f) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. -33-01 CABIN RATE of Climb Indicator -33-01A C 1 0 May be inoperative provided both automatic pressure control systems operate normally. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-13 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -33-01 CABIN RATE of Climb Indicator (Cont’d) -33-01B (Cont’d) a) Flight is conducted in an unpressurized configuration, b) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, c) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and e) For -400ER, appropriate performance adjustments are applied. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-14 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -33-01 CABIN RATE of Climb Indicator (Cont’d) -33-01B (Cont’d) NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. -33-02 CABIN DIFF Pressure Indicator -33-02A C 1 0 (O) May be inoperative provided: a) CABIN ALT indicator operates normally, and b) A chart is provided to convert cabin altitude to cabin differential pressure altitude. -33-02B C 1 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-15 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -33-02 CABIN DIFF Pressure Indicator (Cont’d) -33-02B (Cont’d) c) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, d) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and e) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-16 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -33-03 CABIN ALT Indicator -33-03A C 1 0 (O) May be inoperative provided: a) CABIN DIFF indicator operates normally, and b) A chart is provided to convert cabin differential pressure to cabin altitude. -33-03B C 1 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) For cargo compartments with Class C fire suppression, procedures are established and used to ensure lower compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, c) For forward lower lobe cargo compartments with Class E fire suppression, procedures are established and used to ensure forward lower lobe compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-17 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -33-03 CABIN ALT Indicator (Cont’d) -33-03B (Cont’d) d) For -200SF ATC and -300BCF with Class E fire suppression, procedures are established and used to ensure all compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits, and e) For -400ER, appropriate performance adjustments are applied. NOTE: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. -33-04 Outflow VALVE Position Indicator C 1 0 -33-05 AUTO INOP Light (Cabin Altitude Control) C 1 0 (O) May be inoperative provided: a) Both automatic pressure control systems operate normally, and b) CABIN ALT or CABIN RATE of climb indicator operates normally. -33-06 Cabin Altitude Warning System C 1 0 May be inoperative provided flight remains at or below 10,000 ft. MSL. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-18 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -40-01 Cargo Heating Systems -40-01-01 Fwd and Aft C 2 0 (M) May be inoperative deactivated. -40-01-02 *** Bulk C 1 0 (M) May be inoperative deactivated. -40-01-02-01 Bulk Cargo Vent Fan C 1 0 (O) May be inoperative provided BULK CARGO HEAT selector remains in NORM position. -40-02 Cargo Heat Indicating Systems (OVHT and/or ON Light) -40-02-01 Fwd and Aft -40-02-01-01 -200/-300 -40-02-01-01A C - 0 (M) May be inoperative provided overheat protective system(s) is verified to operate normally. -40-02-01-01B C - 0 May be inoperative provided associated cargo heat system is selected OFF. -40-02-01-02 -400ER C 2 0 -40-02-02 *** Bulk -40-02-02-01 -200/-300 (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-19 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -40-02 Cargo Heat Indicating Systems (OVHT and/or ON Light) (Cont’d) -40-02-02 *** Bulk (Cont’d) -40-02-02-01A C 1 0 (M) May be inoperative provided overheat protective system(s) is verified to operate normally. -40-02-02-01B C 1 0 May be inoperative provided bulk cargo heat system is selected OFF. -40-02-02-02 -400ER C 1 0 -45-01 Flightcrew Auxiliary Heat Systems -45-01A C 4 0 May be inoperative OFF. NOTE: Any portion that operates normally may be used. -45-01B C 4 0 (M) May be inoperative provided affected system is deactivated. NOTE: Any portion that operates normally may be used. -45-02 Forward Door Area Heater System (-200SF ATC/-300BCF/ -300F/-300BDSF) C 1 0 (M) May be inoperative deactivated. -45-03 Door Heater Systems (Type A, I, III Doors) C - 0 (M) May be inoperative deactivated. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-20 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -51-01 Air Conditioning Packs -51-01-01 -200/-300 C 2 1 (M)(O) One may be inoperative provided: a) Airplane remains at or below FL 350, b) Remaining (opposite) pack operates normally, and c) Flight remains within 60 minutes of landing at a suitable airport. -51-01-02 -400ER C 2 1 (O) One may be inoperative provided: a) Airplane remains at or below FL 350, b) Remaining (opposite) pack operates normally, c) Flight remains within 60 minutes of landing at a suitable airport, and d) Appropriate performance adjustments are applied. -51-01-03 -200/-300 Passenger Configuration with Classic Interior C 2 0 (M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) Both recirculation fans operate normally, and c) Procedures are established and used to ensure lower cargo compartments remain empty, or are verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or fly away kits. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-21 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -51-01 Air Conditioning Packs (Cont’d) -51-01-03 -200/-300 Passenger Configuration with Classic Interior (Cont’d) NOTE 1: Operator MELs must define which items are approved for inclusion in fly away kits and which materials can be used as ballast. NOTE 2: Classic Interior is on most -200/-300 passenger airplanes. All 767 passenger airplanes built prior to March 2000 and some built since then have classic interior. NOTE 3: 767 New Look Interior (NLI) looks similar to 777 interior. NLI, also referred to as Signature Series Interior, was first installed in 767 in March 2000. -51-02 Pack Flow Control/ Shutoff Valves C 2 - (M)(O) May be inoperative closed for an associated inoperative pack. -51-02-01 Hi Flow Mode (-200/-300 Passenger) C 2 1 Except for ER operations, one may be inoperative provided remaining (opposite) pack operates normally. -51-02-02 Hi Flow Mode (All Cargo Configuration) C 2 0 -51-03 Pack Temperature Control Systems (-200/-300) C 2 - May be inoperative OFF for an associated inoperative pack. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-22 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -51-03 Pack Temperature Control Systems (-200/-300) (Cont’d) -51-03-01 Auto Mode C 2 0 May be inoperative provided associated standby mode operates normally. -51-03-02 Standby Mode C 2 0 May be inoperative provided associated auto mode operates normally. -51-04 Pack Temperature Control Valves (-200/-300) -51-04A C 2 1 (M)(O) One valve may be inoperative deactivated in mid position provided: a) Associated pack is operated in STBY, and b) Remaining (opposite) pack operates normally in AUTO. -51-04B C 2 1 (M)(O) One may be inoperative closed in STBY provided remaining (opposite) pack operates normally in AUTO. -51-04C C 2 - May be inoperative for an associated inoperative pack. -51-05 Pack Altitude Switch (-200/-300) C 1 0 U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-23 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -51-06 Main Cargo Air Distribution Riser Shutoff Valves -51-06-01 -200SF ATC/ -300BCF/-300F C - 1 (M) May be inoperative closed provided: a) Corresponding zone trim air modulating valve is deactivated closed, and b) Operation is limited to one pack. NOTE: In event of operating pack failure, turn on remaining pack. -51-06-02 -200PC/-200SF STC/-300BDSF C - 1 (M) May be inoperative closed provided: a) Corresponding zone trim air modulating valve is deactivated closed, b) Operation is limited to one pack, and c) Operations are limited to FL 350 and below. NOTE: In event of operating pack failure, turn on remaining pack. -51-07 Air Cycle Machine -51-07-01 -200/-300 C 2 1 (M)(O) Except for ER operations, one may be inoperative provided: a) Associated pack is operated in STBY WARM, b) Flow control valve in associated pack is verified to operate normally, c) Remaining (opposite) pack operates normally, and d) Associated pack is turned OFF at TAT above 0 °C. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-24 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -51-07 Air Cycle Machine (Cont’d) -51-07-02 -400ER C 2 1 (M)(O) One may be inoperative with associated pack selected on provided: a) Remaining (opposite) pack operates normally, b) Remaining (opposite) engine bleed system operates normally, c) Associated turbine bypass valve is secured open, and d) Appropriate performance adjustments are applied. -52-01 PACK RESET Switches -52-01A C 2 1 One may be inoperative provided both packs operate normally. -52-01B C 2 - May be inoperative for an associated inoperative pack(s). -52-02 Pack INOP Lights C 2 1 -52-03 Air Conditioning PACK OFF Lights C 2 1 (M) One may be inoperative OFF provided: a) Associated EICAS message is verified to operate normally, and b) All other pack indications operate normally. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-25 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -52-05 Secondary Heat Exchanger Outlet Temperature Sensor Systems (-400ER) -52-05A C 2 0 May be inoperative provided: a) Associated condenser low limit control system operates normally, and b) Associated ram air inlet door operates normally. -52-05B C 2 1 One may be inoperative for an associated inoperative pack. -52-06 ASCTU Pack Outlet Temperature Sensors (-400ER) -52-06A C 2 0 (M) May be inoperative provided: a) CTC sensor for associated pack is verified to operate normally, b) Associated CTC operates normally, and c) Associated secondary heat exchanger outlet temperature sensor system operates normally. -52-06B C 2 1 One may be inoperative for an associated inoperative pack. -52-07 Compressor Discharge Temperature Sensors (-400ER) -52-07A C 6 2 May be inoperative provided at least one sensor per pack operates normally. -52-07B C 6 2 (M) May be inoperative for an associated inoperative pack provided at least two sensors are verified to operate normally on remaining (opposite) pack. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-26 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -52-08 Condenser Low Limit Control Systems (-400ER) -52-08A C 2 1 (M)(O) One may be inoperative provided: a) Associated condenser low limit valve is secured open, b) Remaining (opposite) pack operates normally, c) Remaining (opposite) engine bleed system operates normally, and d) Appropriate performance adjustments are applied. -52-08B C 2 1 One may be inoperative for an associated inoperative pack. -53-01 Ram Air Inlet/Exhaust Door Systems -53-01A C 2 0 (M)(O) May be inoperative provided doors are secured open with pack(s) operating. -53-01B C 2 - (M) May be inoperative in any position provided associated pack is considered inoperative. -58-01 Forward Equipment Cooling AUTO System -58-01-01 -200/-300 C 1 0 May be inoperative provided STBY control system is used. -58-01-02 -400ER C 1 0 May be inoperative provided: a) STBY control system is used, and b) Both packs operate normally. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-27 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -58-02 Forward Equipment Cooling Temperature Control System (Two Supply Fan Installation) C 1 0 (M) May be inoperative provided: a) STBY control system is used, and b) Heat exchanger bypass valve is deactivated CLOSED. -58-03 Forward Equipment Cooling Supply Fans -58-03-01 Two Supply Fan Installation C 2 1 One may be inoperative provided: a) Forward equipment cooling exhaust fan operates normally, and b) Automatic control system operates normally. -58-03-02 One Supply Fan Installation -58-03-02-01 -200/-300 C 1 0 May be inoperative provided: a) Forward equipment cooling exhaust fan operates normally, b) STBY control system is used, and c) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air. -58-03-02-02 -400ER C 2 1 (O) May be inoperative provided: a) Forward equipment cooling exhaust fan operates normally, b) STBY control system is used, c) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air, d) Both packs operate normally, and e) SMOKE/OVRD valve is verified to operate normally. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-28 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -58-04 Forward Equipment Cooling Exhaust Fan -58-04-01 Two Supply Fan Installation C 1 0 May be inoperative provided both forward equipment cooling supply fans operate normally. -58-04-02 One Supply Fan Installation -58-04-02-01 -200/-300 C 1 0 May be inoperative provided: a) Forward equipment cooling supply fan operates normally, b) STBY control system is used, and c) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air. -58-04-02-02 -400ER C 1 0 (O) May be inoperative provided: a) Forward equipment cooling supply fan operates normally, b) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air, c) Both packs operate normally, and d) SMOKE/OVRD valve is verified to operate normally. -58-05 Aft Equipment/Lav/ Galley Exhaust (Vent) Fans C 2 1 -58-06 *** Forward Equipment Cooling Ground Supply Valve D 1 0 (M) May be inoperative secured closed. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-29 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -58-07 Forward Equipment Cooling Overboard Exhaust Valve -58-07-01 Two Supply Fan Installation C 1 0 (M)(O) May be inoperative secured closed. -58-07-02 One Supply Fan Installation -58-07-02-01 -200/-300 C 1 0 (M) May be inoperative secured closed provided: a) STBY control system is used, and b) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air. -58-07-02-02 -400ER C 1 0 (M)(O) May be inoperative secured closed provided: a) STBY control system is used, b) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air, and c) Both packs operate normally. -58-08 Forward Equipment Cooling Inboard Supply Valve -58-08-01 One Supply Valve Installation -58-08-01-01 -200/-300 C 1 0 (M) May be inoperative secured closed provided: a) STBY control system is used, and b) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-30 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -58-08 Forward Equipment Cooling Inboard Supply Valve (Cont’d) -58-08-01 One Supply Fan Installation (Cont’d) -58-08-01-02 -400ER C 1 0 (M) May be inoperative secured closed provided: a) STBY control system is used, b) For ground operation above 29 °C OAT, main cabin is supplied with conditioned air, and c) Both packs operate normally. -58-09 *** Avionics Cooling Refrigeration Unit (ACRU) D 1 0 -58-10 *** ACRU Supply Valve D 1 0 (M) May be inoperative secured closed. -58-11 *** ACRU Isolation Valve D 1 0 (M) May be inoperative secured open. -58-12 *** Instrument Cooling Monitor System -58-12A C 1 0 (M) May be inoperative provided availability of adequate air flow is verified before each departure. -58-12B D 1 0 Except for ER operations, may be inoperative. -58-13 *** In-Flight Entertainment (IFE) Cooling Systems D - 0 (M) May be inoperative provided associated IFE system is deactivated. U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-31 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -58-14 AVS/IFE Inboard/ Overboard Exhaust Valves -58-14-01 Alternate Ventilation System (AVS) Inboard Exhaust Valve (-400ER) C 1 0 (M) May be inoperative secured closed provided both packs operate normally. -58-14-02 *** IFE Inboard/Overboard Exhaust Valves -58-14-02A C 2 1 (M) One may be inoperative secured open. -58-14-02B C 2 0 (M) May be inoperative provided: a) One valve is secured closed, and b) Both packs operate normally. -58-15 Flight Deck Air Relief System Valve (-300F) C 1 0 (M) May be inoperative secured closed. -58-16 *** F1 Forward Galley Chiller Smoke Detector C 1 0 (M) May be inoperative deactivated provided associated chiller is deactivated. -58-17 *** Flight Deck Panel Cooling Air Shutoff Valve D 1 0 (M) May be inoperative deactivated open. -61-01 Cabin COMPT TEMP Control Systems -61-01-01 Passenger -61-01-01-01 -200/-300/-400ER C - 0 (M) May be inoperative provided associated zone trim air modulating valve(s) or trim air regulating/shutoff valve(s) remains closed. (Continued) U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MASTER MINIMUM EQUIPMENT LIST REVISION NO. 40 DATE: 08/09/2021 PAGE NO. 21-32 AIRCRAFT: B767 TABLE KEY 1. REPAIR CATEGORY 2. NO. INSTALLED 3. NO. REQUIRED FOR DISPATCH 4. REMARKS OR EXCEPTIONS 21. Air Conditioning Sequence No. Item 1 2 3 4 Change Bar -61-01 Cabin COMPT TEMP Control Systems (Cont’d) -61-01-01 Passenger (Cont’d) -61-01-01-02 -400ER Control Panel Functions C 3 0 (M) May be inoperative for unannunciated faults that do not affect zone temperature control availability. -61-01-02 All Cargo Configuration C 2 0 (M) May be inoperative provided associated zone trim air modulating valve remains closed. -61-02 Flight Deck COMPT TEMP Control System -61-02-01 Passenger C 1 0 (M) Both auto and manual modes may be inoperative provided associated zone trim air modulating valve or trim air regulating/shutoff valve remains closed. -61-02-02 -400ER Control Panel Functions C 1 0 (M) May be inoperative for unannunciated faults that do not affect zone temperature control availability. -61-02-03 AUTO Mode C 1 0 May be inoperative provided MAN mode operates normally. -61-02-04 MAN Mode C 1 0 May be inoperative provided AUTO mode operates normally. -61-03 Trim Air Pressure Regulating/Shutoff Valve System(s) (Passenger Configuration) C - 0 (M) May be inoperative provided associated trim air pressure regulating/ shutoff valve is secured closed.