SERVICE BULLETIN SUMMARY - McCauley Propeller
CESSNA 206 TURBINE · Service Bulletins
Overview
This document contains a list of active service bulletins for various Cessna aircraft models, with a specific focus on the Cessna 336. The bulletins detail inspection, maintenance, and replacement requirements for components such as propellers and engine parts. Each bulletin includes a summary, date of issue, and the specific models affected. This reference is essential for maintenance personnel and pilots to ensure compliance with safety and operational standards.
- Bulletin 68A requires propeller hub inspection for Cessna 336 aircraft.
- Bulletin 68A-1 revises inspection procedures for Cessna 336 C61 model.
- Bulletin 93 introduces new part numbers for counterweight attachments.
- Bulletin 94 mandates improvements to cylinder attachment screws.
- Regular compliance with service bulletins is critical for aircraft safety.
Document
Source
Originally published by mccauley.txtav.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 2023
- Pages
- 9
- File size
- 91 KB
- Publisher
- mccauley.txtav.com
Most owners only have the POH. Here's the essential set for the CESSNA 206 TURBINE.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
Free — save the 206 (turbine) to your watchlist and track it in one place.
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In this document
Service Bulletins Overview
The document lists active service bulletins organized by bulletin number, date, and summary of the required actions. Each bulletin specifies the affected aircraft models, ensuring that maintenance personnel can easily identify which bulletins apply to their aircraft.
Bulletin 68A
Issued on November 6, 1970, this bulletin mandates a propeller hub inspection and replacement specifically for Cessna 336 aircraft. It is crucial for maintaining the integrity of the propeller system.
Bulletin 68A-1
A revision to bulletin 68A issued on November 25, 1970, this bulletin applies to the Cessna 336 C61 model and provides updated instructions regarding the propeller hub inspection.
Bulletin 93
This bulletin, issued on April 21, 1971, addresses counterweight attachment improvements with new part numbers for models C39, C48, C52, C55, and C89. Compliance is necessary for maintaining aircraft performance.
Bulletin 94
Dated July 28, 1971, this bulletin discusses improvements to cylinder attachment screws and spinner support for models C58 and C90, ensuring structural integrity during operation.
Safety notes
- Ensure compliance with all active service bulletins to maintain aircraft safety and performance.
Full document text
ACTIVE SERVICE BULLETINS SBNO DATE SUMMARY MODELS 48C 7/6/1964 INSPECTION OF BLADE THREADS (S/N SPECIFIC) C1, C14, C18, C28, C29, C31, C32 53 3/4/1963 INSPECTION OF BLADE THREADS (S/N SPECIFIC) C39 68A 11/6/1970 PROPELLER HUB INSPECTION AND REPLACEMENT ON CESSNA 336 AIRCRAFT C46, C60, C61 (MODEL SPECIFIC) 68A-1 11/25/1970 REVISION TO SB 68-A C61 (MODEL SPECIFIC) 69A 11/6/1970 PROPELLER HUB INSPECTION AND REPLACEMENT REQUIREMENT C49, C58, C54, C55 (MODEL SPECIFIC) 76 11/28/1969 OPERATIONAL PLACARD AND BLADE DAMAGE INSPECTION C14, C53 77B 8/11/1975 HUB REPLACEMENT OR IMPROVEMENT DUE TO GROUND STRIKE OR INCIDENT CAUSING BENT BLADES REPLACEMENT HUB C-4204 C53 LYCOMING ENGINE 0-360 ON ANY AIRCRAFT WITH PROP AND ENGINE COMBINATION 81A 1/28/1976 PROPELLER BLADE IMPROVEMENT AT NEXT OVERHAUL NECESSITY OF SHOT PEENING BLADES ALL CONSTANT SPEED OR FULL FEATHERING PROPELLER MODELS WITH 74E, 76C, L76C, 78BF, 78BFM, 78BFS, 78FF, 78KM, 80GF, 80MM, 84B, 84HF, 84S, 90A, 90AT, 90M, 90MF, 100R, 100RF, 100RFM BLADES 87 11/6/1970 PROP IMPROVEMENTS REQUIRED AT NEXT OVERHAUL OR REPAIR (CYLINDER ATTACHMENT SCREWS) C8, C11, C14, C21, C23, C28, C29, C31, C32, C33, C34, C45, C49, C50, C53, C55, C58, C66, C67, C70, C73, C76, C77, C78, C79, C82, C88, C90 87-1 4/21/1971 REVISION OF 87 (DELETE SOME MODELS FROM S/B 87, CORRECT TORQUE ON SCREWS AND WASHERS) C8, C11, C14, C21, C23, C28, C29, C31, C32, C33, C34, C45, C49, C50, C53, C58, C66, C67, C70, C73, C76, C77, C82, C88 87-2 4/21/1971 REVISION OF 87 (NEW WASHERS AND SCREWS AS IN S/L 71-1, REWORK GASKETS, AND DRILL BIT TO BE 0.2055) C8, C11, C14, C21, C23, C28, C29, C31, C32, C33, C34, C45, C49, C50, C53, C55, C58, C66, C67, C70, C73, C76, C77, C78, C79, C82, C88, C90 88 11/6/1970 SHOT PEEN & TRUNCATING CUSTOMER INFORMATION LETTER 4-12-88 MCCAULEY WILL NO LONGER SHOT PEEN C8, C11, C34, C35, C45, C49, C50, C52, C53, C54, C55, C58, C59, C60, C61, C65, C66, CT69, C70, C71, C72, C73, C75, C76, C77, C78, C79, C80, C81, C87, C88, C90, C91, C93 SOME DASH NUMBERS MUST BE DESTROYED OTHERS REWORKED 89 5/14/1971 3-BLADE CONSTANT SPEED PROP HUB IMPROVEMENT TO PREVENT HUB CRACKING C77, C79, C88, C90 Page 1 of 9 December 2023 SBNO DATE SUMMARY MODELS 92 4/21/1971 CYLINDER ATTACHMENT IMPROVEMENT (REPLACE CYLINDER SCREWS) C8, C23, C29, C31, C32, C33, C45, C49, C50, C58, C66, C70, C73, C76, C77, C78, C79, C82, C88, C90 92-1 12/1/1971 SUPPLEMENT TO 92 (REPLACE CYLINDER SCREWS) C8, C23, C29, C31, C32, C33, C45, C49, C50, C58, C66, C70, C73, C76, C77, C78, C79, C82, C88, C90 EXPLANATION OF SERIAL NUMBERS FROM S/B 92 93 4/21/1971 COUNTERWEIGHT ATTACHMENT IMPROVEMENT (NEW PART NUMBERS A- 3331-2 OR A-3330 OR A-3372-A WEIGHTS OR BOLTS A-2513-55, -56, AND -57) C39, C48, C52, C55, C89 93-1 6/30/1971 COUNTERWEIGHT AND BRACKET IMPROVEMENT FOR C55 (REPLACES S/B 56) C39, C48, C52, C55, C89 93-2 7/28/1971 SUPPLEMENT TO S/B 93 AND S/B 93-1 COUNTERWEIGHT IMPROVEMENT ADDS NEW MODEL C55 93-3 9/27/1971 SUPPLEMENTAL INFORMATION APPLICABLE TO S/B 93, S/B 93-1 AND S/B 93-2 C39, C48, C52, C55, C89 DURING COMPLIANCE WITH S/B 93, IF PROPELLER IS DISASSEMBLED MUST ALSO COMPLY WITH S/B 88, S/B 84, S/B 83, S/B 80, AND S/B 62 94 7/28/1971 CYLINDER ATTACHMENT SCREWS AND SPINNER SUPPORT IMPROVEMENT C58, C90 HUB SERIAL NUMBERS 63XXXX - 712778 INSTALLED ON BELLANCA 17-30 AND 17-30A SPINNER MODELS AFFECTED PD3867, PD3766, D3867, D3766 94-1 12/10/1971 CYLINDER ATTACHMENT SCREWS AND SPINNER SUPPORT IMPROVEMENT C58 CORRECTION ON S/B 94 LISTING D2A34C58/90AT-8 CORRECT MODEL IS D2A34C58/90AT-10 98 12/8/1972 PROPELLER MOUNTING INTERFERENCE ON FRANKLIN 6A-335 AND 6A-350 ENGINES C22 WITH 84SF ON FRANKLIN ENGINES NEED SPINNER BULKHEAD OR MODIFY CRANKSHAFT OIL TRANSFER PLUG TO USE FRANKLIN PLUG P/N 21685 99 12/8/1972 CHANGE BLADE FERRULE AND ACTUATING PIN ASSEMBLIES PROCEDURES WHICH REQUIRE THE USE OF NEW OR REWORKED PARTS. ALL FULL FEATHERING THREADED PROPELLERS PER S/B 99-2, AND NON- FEATHERING MODELS C11, C16, C22, C34, C67, C69, C76, C77, C79, C88, C90 99-1 12/14/1972 SUPPLEMENTAL INFORMATION TO SB 99 SAME MODELS AS SB 99 - USE 1/2 INCH DIAMETER DRILL BIT 99-2 4/23/1973 CORRECTION OF SB 99 SAME MODELS AS SB 99 99-3 8/11/1975 PRECAUTIONS NECESSARY WHEN COMPLYING WITH S/B 99 SAME MODELS AS SB 99 100 10/30/1972 PROPELLER HUB AND BLADE IMPROVEMENT TO PREVENT THREAD CRACKING (SHOT PEENED) ALL C73 WITH 90AT-8 BLADES (SERIAL NUMBERS NOT ENDING WITH "S" AND HUB SERIAL NUMBERS 64000 THROUGH 699999 Page 2 of 9 December 2023 SBNO DATE SUMMARY MODELS 101 4/23/1973 REDUCTION OF LOW PITCH ANGLE (ALTER LOW PITCH STOP) C58-X/90AT-8 ON CESSNA A188, A188A, A188B 102 5/2/1973 PROP ATTACHMENT IMPROVEMENT (MOUNTING BOLTS) C92 AND C74 WITH SERIAL NUMBERS UP TO AND INCLUDING 729999; 102-1 8/1/1973 SEE 102 ADDITIONAL AIRCRAFT MODELS C86 106 3/20/1975 SEALING REQUIREMENT (P/N A-1664-11 AT LOW PITCH STOP SHIMS AND AT SPIROL PIN IN THE HUB) ALL NON-OIL FILLED THREADED, C200, C300, C400, AND C500 SERIES PROPELLERS 108 5/12/1975 REPLACEMENT OF A PARTICULAR LOT OF DAMPENED HEAD TYPE FEATHERING GOVERNORS ALL DCF290D1A/T2, DCFS290D1A/T2, DCFU290D1A/T2, AND DCFUS290D1A/T2 WITH SPECIFIC SERIAL NUMBERS 109 8/11/1975 CONVERSION OF MCCAULEY PROPELLERS MADE FOR MILITARY USE TO FAA APPROVED MODELS C41-N/L76C-O REAR AND C42-N/76C-O 110 8/11/1975 DOWEL PIN INSTALLATION AND INDEXING TO "D" POSITION RELATIVE TO CRANKSHAFT C58-" "/90AT-" " 111 8/11/1975 MANDATORY PROPELLER HUB REPLACEMENT C52/80GF-0 AND C52A/80GF-O WITH SERIAL NUMBERS FROM 63000 THROUGH 659999 112 8/11/1975 INSPECTION AND REPLACEMENT OF BLADE ACTUATING PIN P/N B-4163 C301, C302, C303, C304, C305, C306, C307 113C 6/21/1999 REPLACEMENT AND IDENTIFICATION OF GOVERNOR DRIVE GEARS ALL CONSTANT SPEED MODELS C290DX/TX, WITH SERIAL NUMBERS PRIOR TO 774186, AND ALL FULL FEATHERING MODELS EXCEPT D7 AND D8 MODELS AND SUBSEQUENT 115 9/30/1975 PROPELLER HUB REPLACEMENT SERIAL NUMBER RANGE C53-N/74E WITH SERIAL NUMBERS FROM 705516 TO 705560
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117 9/30/1975 OBSOLESCENCE OF MOLDED NYLON PARTS IN GOVERNOR ALL GOVERNORS 118 12/1/1976 PRECAUTIONS FOR INSTALLATION OF BLADE ACTUATING PINS ALL THREADED PROPELLERS 119A 3/1/1999 PROPER USAGE OF SPLIT RETAINERS P/N C- 3903 MATCHING SERIAL NUMBERS ALL THREADLESS AND TURBINE PROPELLERS 120 6/1/1976 CHANGE OF MODEL DESIGNATION (BY CHANGING SPACERS) FIXED PITCH - 1C90, 1A101, 1A135, 1A170, 1C172, AND 1A200 121B 11/1/1990 REQUIREMENT TO OIL FILL C53-* REGARDLESS OF CHANGE LETTERS STAMPED EXCEPT OIL FILLED VERSIONS 122B 11/1/1990 REQUIREMENT TO OIL FILL C58-* AND D2A34C98-* REGARDLESS OF CHANGE LETTERS STAMPED EXCEPT OIL FILLED VERSIONS Page 3 of 9 December 2023 SBNO DATE SUMMARY MODELS 123B 11/1/1990 REQUIREMENT TO OIL FILL C56-* AND C61-* REGARDLESS OF CHANGE LETTERS STAMPED EXCEPT OIL FILLED VERSIONS 124A 11/1/1990 REQUIREMENT TO OIL FILL C55 125A 11/1/1990 REQUIREMENT TO OIL FILL C65-* AND C81-* REGARDLESS OF CHANGE LETTERS STAMPED EXCEPT OIL FILLED VERSIONS 128A 7/13/1977 PROPELLER HUB INSPECTION (CRACKS IN HUB EXTENSION) C305 128A-1 5/26/1978 DELETION OF REQUIREMENTS OF BULLETIN 128A FOR D2AF34C305-A DELETION OF HUB MODELS C305-A "SKYMASTER" SERIAL NUMBER SPECIFIC 128A-2 9/24/2004 DELETION OF REQUIREMENTS FOR SERVICE BULLETIN 128A AND FAA AD 78-01-13 FOR D2AF34C305-A AND SUBSEQUENT CHANGE HUBS D2AF34C305-A 129 10/7/1977 REPLACEMENT OF BLADE ACTUATING PIN SCREWS (REPLACE P/N A-1635-104 WITH A- 1635-108) C401 AND C402 SERIAL NUMBER SPECIFIC 129-1 5/26/1978 CHANGE IN COMPLIANCE TIME ON REPLACEMENT OF BLADE ACTUATING PIN SCREWS (REPLACE P/N A-1635-104 WITH A- 1635-108) C401 AND C402 SERIAL NUMBER SPECIFIC 130 1/20/1978 PROPELLER HUB INSPECTION, MODIFICATION, AND REPLACEMENT C58-* REGARDLESS OF CHANGE LETTERS STAMPED EXCEPT OIL FILLED VERSIONS 131 1/20/1978 REPLACEMENT OF BLADE ACTUATING PIN SCREWS C501 SERIAL NUMBER SPECIFIC 131-1 5/26/1978 REVISION TO SB131, CHANGE IN COMPLIANCE REQUIREMENT C501 SERIAL NUMBER SPECIFIC 133 1/17/1979 IMPROVED PROPELLER PITCH DISTRIBUTION 1C160/DTM7557 137AF 3/13/2013 REVISED TIME BETWEEN OVERHAUL SPECIFICATION All "THREADED" C1 THRU C98 PROPELLER MODELS 138D 6/5/1998 REQUIREMENT TO OIL-FILL C90-* REGARDLESS OF CHANGE LETTERS 139 6/26/1980 REPLACEMENT OF CERTAIN GOVERNOR PUMP HOUSING COVERS ALL CONSTANT SPEED MODELS C290D" " WITH SERIAL NUMBERS 792478 AND ALL FEATHERING MODELS DCF" " WITH SERIAL NUMBERS 791220 THROUGH 791718 141 7/28/1981 MC-1 SYNCHROPHASER MALFUNCTIONS (CHAFED AND BROKEN WIRES BETWEEN THE GOVERNOR AND FIREWALL AND GOVERNORS WHICH "OVER-RESPOND") DCFS290D9-" "/T6 AND DCFUS290D9-" "/T6 MODELS EXCEPT C1 AND C18 Page 4 of 9 December 2023 SBNO DATE SUMMARY MODELS 145 6/18/1982 NEW BLADE BEARINGS AND BLADE MODIFICATION (P/N C-5270) ALL THREADLESS PROPELLERS AND C601 (MODEL SPECIFIC) 146 12/3/1982 PROPELLER BLADE INSPECTION (FORGING "FOLD" IN BLADE SHANK) 78TCA-0, 80VA-0, 90DA-8, 90DCA-2, 90DCA-8, 90DCA-10, 90DCA-14, 90DCB-8, 90DEA-12, 90DFA-10, 90DHB-8, 90DHB-16E, WITH SPECIFIC SERIAL NUMBERS 146-1 12/23/1982 PROPELLER BLADE INSPECTION ADDITIONAL MODELS AND CORRECTIONS C220, C403, AND C404 WITH 80VA-0, 80VHA-3.5, WITH SPECIFIC SERIAL NUMBERS 146-2 6/24/1983 PROPELLER OVERHAUL - PERMANENT INDENTIFICATION OF INSPECTED BLADES ADD "P" AS PREFIX TO BLADE SERIAL NUMBER SAME AS S/B 146 147 3/4/1983 COUNTERWEIGHT BOLT REPLACEMENT C504, C505, C506, C507, C508, C509 WITH SPECIFIC SERIAL NUMBERS 148-2 10/17/1986 OPTIONAL REMOVAL OF BLADE PLUGS C701 AND C701-A 151A 12/6/1985 BLADE AND FERRULE INSPECTION (POSSIBLE SCRATCH IN BLADE RETENTION) C66, C73, AND C23 SERIAL NUMBER SPECIFIC 152B 11/1/1990 REQUIREMENT TO OIL FIL ADDITIONAL MODELS (CHANGE IN COMPLIANCE TIMES FROM S/B 152) C66, C70, C73, AND C78 153 2/3/1984 GROUNDING OF D-5275-1, -2 SPINNER ASSEMBLIES C506, C507 156 11/16/1984 REPLACEMENT OF CERTAIN A-1635-105 SCREWS ALL GOVERNORS 157 11/16/1984 ADDITION LOCK RING FOR GOVERNOR CONTROL ARM RETENTION (REPLACE OF MODIFY CONTROL SHAFT AND CONTROL LEVER) ALL GOVERNORS PRIOR TO MID-1976 169C 9/22/1989 PROPELLER INSPECTION AND REWORK (CRACKS IN BOLT HOLE AREA) 1A103/TCM6958 SERIAL NUMBER 770001 THROUGH 777390 AND BC-001 UP TO BUT NOT INCLUDING JA001 170B 11/1/1990 REQUIREMENT TO OIL FILL PROPELLER (CHANGE IN COMPLIANCE TIMES FROM S/B 170) C30 REGARDLESS OF CHANGE LETTERS 175 11/16/1988 CONVERTING PROPELLER MODEL C755 TO C754 C755 176E 3/3/2003 NECESSARY ACTIONS FOLLOWING OBJECT STRIKE OF STATIONARY PROPELLER, BLADE STRIKE OF ROTATING PROPELLER, BIRD STRIKE, OR SUDDEN ENGINE STOPPAGE ALL McCAULEY PROPELLERS Page 5 of 9 December 2023 SBNO DATE SUMMARY MODELS 177B 6/30/1992 LIGHTNING STRIKE INSPECTION REQUIREMENTS (MANDATORY OVERHAUL FOLLOWING LIGHTNING STRIKE) ALL PROPELLERS, FIXED PITCH 179A 12/19/1989 REQUIREMENT TO INSPECT BLADE THREADS AND OIL FILL SPECIFIC PROPELLER MODELS C23, C82 181 7/16/1990 OIL FILL C8, C9 182A 6/5/1998 REQUIREMENT TO OIL FILL C11, C16, C22, C34, C49, C50, C67, CT69 183B 11/1/2001 CANCELLATION OF FIELD SHOTPEENING OF BLADES AND HUBS ALL THREADED MODELS 184B 12/11/1995 REQUIREMENT TO OIL-FILL C8, C9, C30, C53, C55, C58, C61, C65, C66, C70, C73, C78, C81, C98 189D 6/21/1999 IMPROVED ACTUATING PIN AND LINK ASSEMBLIES C652 190 11/15/1991 INSPECTION/REWORK OF 1A170/BMS7660 BMS7660 193B 6/21/1999 IMPROVED ACTUATING PIN AND LINK ASSEMBLIES C653 194A 6/5/1998 REQUIREMENT TO OIL-FILL C52, C54, C59, C60, C71, C91 195B 4/30/2003 TYPE CERTIFICATE MARKINGS FIXED PITCH PROPELLERS 196B 6/5/1998 REQUIREMENT TO OIL-FILL C76, C77, C79, AND C88 197 9/30/1992 STARSHIP BLADE CLEANING C1003 200C 1/20/1994 PERIODIC HUB INSPECTION C35, C72, C74, C75, C80, C86, C87, C92, AND C93 202D 2/10/1995 REPLACEMENT OF GOVERNOR FLYWEIGHT ASSY. AND PILOT SPOOL END FITTING C290D[X]/T[X] GOVERNORS 203B 10/13/1995 PERIODIC INSPECTION OF D-5012 FEATHERING SPRING HOUSING C652 AND C653 206C 12/10/1998 REPLACEMENT OF BETA ROD ASSY. C702 AND C1003 MODELS 208A 4/25/1995 REQUIREMENT TO OIL-FILL C223 209 9/15/1993 REQUIREMENT TO OIL-FILL C72, C74, C75, C86, C87, C92, C93 210 9/15/1993 REQUIREMENT TO OIL-FILL C35 AND C80 Page 6 of 9 December 2023 SBNO DATE SUMMARY MODELS 212 8/31/1994 C-5291 COUNTERWEIGHT INSPECTION AND REPAIR C652 AND C653 213A 6/5/1998 REQUIREMENT TO OIL-FILL C14, C28, C29, C31, C32, AND C33 214A 2/10/1995 REPLACE GOVERNOR FLYWEIGHT AND PILOT SPOOL END FITTING C290D[X]/T[X] ON LYCOMING 540 ENGINES 215C 8/1/2000 GOVERNORS EXPOSED TO A STRIKE, ENGINE DETONATION, OR OIL CONTAMINATION ALL GOVERNORS 216A 6/5/1998 REQUIREMENT TO OIL-FILL C38, C39, C48, C68, AND C89 218 10/13/1995 PROPER APPLICATION OF RTV DURING REASSEMBLY ALL THREADED 3-BLADE PROPELLERS 219A 10/19/1995 HUB INSPECTION 1A103/TCM[XXXX] 221E 1/28/2010 INSPECTION OF PROPELLER HUB FOR CRACKING AND REWORK PROCEDURES 1A103/TCM[XXXX] 223 10/29/1996 GOVERNOR CHANGES - FLYWEIGHTS AND DRIVE GEARS MODEL SPECIFIC 225 4/22/1997 COUNTERWEIGHT TORQUE C600, C650, AND C700 PROPELLERS 226 8/5/1997 ENGINE OVERTORQUE C1101, C1102, C1103, C1104 227B 8/28/2001 MOUNTING TORQUE ALL PROPELLERS 233A 8/1/2000 INSPECTION OF PROPELLER HUB FOR CRACKING 1C235/LFAXXXX AND 1A170E/JHAXXXX 234B 11/19/2001 L106FA EDDY CURRENT INSPECTION C653 237C 1/15/2003 BULKHEAD REPLACEMENT AND CORRECT INSTALLATION OF SPINNER SHELL ON MOONEY M20R&S 2-BLADED PROPELLERS C239, AND C241 238A 8/20/2007 REVISED INSPECTION REQUIREMENTS FOR E-6152HUBS ON C650 SERIES PROPELLERS 4HFR34C652/L106LA, 4HFR34C653/L106FA, 4HFR34C661/90LNA, 4HFR34C662/L108FA, 4HFR34C665/L106FRA 239C 9/15/2002 STARSHIP BLADE AND HUB INSPECTION C1003 240E 12/15/2002 PROPELLER BLADE INSPECTION 1A170E/JHA[XXXX] 241 3/12/2002 REPLACEMENT OF ACCUMULATOR END CAPS D-20215, D-20215-3, AND D-20816 (SERIAL NUMBER SPECIFIC Page 7 of 9 December 2023 SBNO DATE SUMMARY MODELS 242B 8/19/2003 HUB CRACK DISCOVERED ON JETSTREAM 41 PROPELLER B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, and C5JFR36C1104/L114HCA-0 247A 9/13/2004 EDDY CURRENT REAR HUB INSPECTION B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, C5JFR36C1104/L114HCA-0 248 4/19/2005 RESTRICTED OPERATION, LIFE LIMIT AND REPETITIVE BLADE AIRFOIL INSPECTION REQUIREMENTS 3A32C406/82NDB-X, D3A32C409/82NDB-X 249A 1/24/2005 GOVERNOR TOP COVER REPLACEMENT C290D3/T23 250A 2/12/2010 JETSTREAM 4100 BLADE AND HUB LIFE LIMIT CHANGE B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0 and C5JFR36C1104/L114HCA-0 251A 9/28/2005 HUBS MANUFACTURED WITH IMPROPER RETENTION THREADS VARIOUS THREADED HUBS 254 8/20/2007 BAE JETSTREAM 3201 HUB INSPECTION 4HFR34C653/L106FA 255A 10/6/2008 JETSTREAM 4100/4101 BLADE LIFE LIMITS AND ADDED BLADE INSPECTIONS B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, C5JFR36C1104/L114HCA-0 258 10/25/2006 CORRECTION OF TORQUE VALUE C300 SERIES 260A 1/24/2007 REVISED INSPECTION REQUIREMENT FOR C700 AND C750 SERIES HUBS C700 AND C750 SERIES 261 11/14/2007 A-1636-34 RETAINING RING INSTALLATION AND INSPECTION PROCEDURES 3GFR34C701, 3GFR34C702, 3GFR34C703, 3GFR34C704, 4HFR34C754, 4HFR34C758, 4HFR34C760, 4HFR34C761, 4HFR34C762, 4HFR34C763, 4HFR34C764, 4HFR34C766, 4HFR34C768, 4HFR34C769, 4HFR34C771, 4HFR34C773, 4HFR34C774, 4HFR34C775, 5JFR36C1003, and 5HFR36C1008 262 1/24/2008 PROPELLER BLADE ACTUATING PIN INSTALLATION PROCEDURES FOR TURBINE ENGINE PROPELLERS C600, C650, C700, C750, C1000, C1100 263 6/10/2008 FEATHER ANGLE CORRECTIONS ON CERTAIN TURBOPROP PROPELLERS C650 264 2/12/2010 JETSTREAM 4100/4101 PROPELLER HUB DOWEL HOLE INSPECTION B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, C5JFR36C1104/L114HCA-0 Page 8 of 9 December 2023 SBNO DATE SUMMARY MODELS 265 11/16/2011 NEW REPLACEMENT D-7873 PISTON ROD ASSEMBLY D3AF32C35, 3AF32C72, 3AF34C74, 3AF32C75, D3AF32C80, 3AF34C86, 3AF32C87, 3AF34C92, 3AF32C93 266 11/16/2011 NEW REPLACEMENT D-7930 PISTON ROD ASSEMBLY 2AF31C10, D2AF34C30, 2AF36C38, 2AF36C39, D2AF36C48, D2AF34C52, D2AF34C54, 2AF34C55, D2AF34C59, D2AF34C60, D2AF34C61, D2AF34C65, 2AF36C68, D2AF34C71, D2AF34C81, 2AF36C89, D2AF34C91 267 2/17/2014 PROPELLER HUB SOCKET INSPECTION AND REPAIR C400, C500, C600, C650, C700, C750, C1000, C1100 SERIES 268 10/17/2016 PROPELLER BLADE COUNTERWEIGHT INSPECTION 4JFR34C758 269 10/17/2016 TURBINE PROPELLER PISTON ROD ASSEMBLY INSPECTION C601, C602, C652, C653, C661, C662, C663, C664, C665, C701, C702, C703, C704, C754, C758, C762, C763, C764, C766, C768, C769, C771, C773, C774, C775, C778, C1003, C1008, C1101, C1102, C1103, C1104, C1105 270 12/1/2016 D-5319 PISTON ROD ASSEMBLY INSPECTION C754, C758, C762, C763, C764, C766, C768, C769, C771, C773, C774, C775, C778 271A 9/27/2018 A-20028 IDLER GOVERNOR GEAR BEARING INSPECION ALL GOVERNORS 273C 1/30/2019 A-20028 IDLER GOVERNOR GEAR BEARING INSPECTION INSTRUCTIONS ALL GOVERNORS 274 6/27/2019 B-40755A SPRAY HEAD ASSEMBLY REPLACEMENT 4HFR34C778 275 11/6/2023 C-5932 AND C-5328 FEATHER SPRING INSPECTION 4HFR34C652, 4HFR34C653, 4HFR34C661, HFR34C663, HFR34C668, HFR34C754, HFR34C758, HFR34C764, HFR34C768, HFR34C769, HFR34C771, HFR34C775, HFR34C778, HFR34C779, HFR34C1103 Page 9 of 9 December 2023