ACTIVE SERVICE LETTERS
Cessna 188 AGwagon · Service Manual
Overview
This document is a compilation of active service letters related to the Cessna A188B AG Wagon. It provides important updates, modifications, and service information relevant to the aircraft's maintenance and operation. The letters cover various aspects such as propeller models, governor specifications, and maintenance procedures. This reference is essential for maintenance personnel and pilots to ensure compliance with the latest service requirements and to maintain the aircraft's airworthiness.
- The document is specifically for the Cessna A188B AG Wagon.
- It includes active service letters with updates on propeller and governor specifications.
- Maintenance procedures are outlined for compliance with safety standards.
- Inspection requirements are specified for critical components.
- The document serves as a vital reference for maintenance personnel and pilots.
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 Manual
- Year
- 2023
- Pages
- 8
- File size
- 91 KB
- Publisher
- mccauley.txtav.com
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Cessna 188 AGwagon.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
Free — save the A188 Agwagon 300 to your watchlist and track it in one place.
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In this document
Active Service Letters Summary
The document lists active service letters with their respective summaries and applicable models. Each entry includes a service letter number, date, a brief summary of the service action, and the models affected. This helps maintenance personnel quickly identify relevant updates.
Propeller Modifications
Several service letters address modifications and specifications for propellers used on the Cessna A188B AG Wagon. This includes updates on new propeller models, installation procedures, and maintenance practices to ensure optimal performance.
Governor Specifications
The document outlines various governor specifications and modifications that are crucial for the operation of the Cessna A188B AG Wagon. This includes updates on governor models, installation instructions, and maintenance recommendations.
Maintenance Procedures
Detailed maintenance procedures are provided for various components of the aircraft, including propellers and governors. These procedures are essential for ensuring the aircraft remains in compliance with safety standards.
Inspection Requirements
The service letters include specific inspection requirements for components such as propellers and governors. These inspections are vital for maintaining the aircraft's airworthiness and operational safety.
Safety notes
- Ensure compliance with the latest service letters to maintain airworthiness.
- Follow specified inspection procedures to identify potential issues early.
Full document text
ACTIVE SERVICE LETTERS SLNO DATE SUMMARY MODELS 1972-1 3/3/1972 PRESSURE LATCH PARTS SUPPORT C10, C38, C39, C46, C48, C52, C54, C55, C59, C60, C61, C65, C68, C71, C72, C74, C75, C80, C81, C86, C87, C89, C91, C92 1974-2 3/29/1974 NEW PROPELLER MODEL AND AVAILABILITY OF MODIFICATION KIT C58, C98 1975-3 8/11/1975 DIFFERENCE DATA SHEETS FOR MANUAL 730720 1A101, 1A175, 1C160, 1A200 AND 1A170 1976-5 1/28/1976 REMOVAL OF EXPANSION LOCK PLUGS ALL 3 BLADE THREADED PROPELLERS 1976-8 6/1/1976 CHANGE IN BLADE ACTUATING LINK ASSEMBLY ALL 3 BLADE FULL FEATHERING THREADED MODELS 1976-9 6/1/1976 THREE BLADE PROPELLER APPROVED FOR CERTAIN CESSNA A188B AG WAGON AND AG TRUCK AIRCRAFT C90 CESSNA P/N C161006-0206 1976-11 9/17/1976 OBSOLETE FIXED PITCH PROPELLER MODELS GCM, HCM, PCM, CTM, AND ATM 1976-19 12/1/1976 OIL FILLED PROPELLER HUBS C58, C90, C98 1977-1 1/7/1977 SERVICE MANUAL 720415 SUPPLEMENT #1 C58, C90 1977-3 2/15/1977 SERVICE MANUAL 710930 SUPPLEMENT #1 C55, C61, C65, C81 1977-4 2/15/1977 IMPROVED SPRINGS FOR CENTRIFUGAL LATCH MECHANISMS (P/N B-4789) ALL FULL FEATHERING THREADED MODELS 1977-5 5/11/1977 ADDITIONAL OIL FILLED PROPELLER MODELS SERVICE INFORMATION (ADD TO MANUAL 720415) C53 1978-1 1/13/1978 CORRECTIONS TO PARTS LIST OF FULL FEATHERING PROPELLER SERVICE MANUAL (710930) (P/N A-1635-75 AND A-1635-76 SCREWS) C59, C60, C61, C65, C68, C71, C72, C74, C75, C80, C86, C87, C89, C91, C92, C93 1978-2 1/13/1978 OIL FILLED PROPELLERS - NEW PROCEDURES AND AREAS REQUIRING SPECIAL ATTENTION C53, C55, C58, C61, C65, C81, C90, C98 1979-5 7/25/1979 NEW STUDS FOR LYCOMING HUBS (P/N B-5077) C8, C9, C11, C16, C53, CT69 1979-10 12/28/1979 ADDITIONS AND CORRECTIONS TO GOVERNOR SPECIFICATION TABLES 1-7, 2-7, 2-10, 2-12, AND 2-18 C290D3/T14, /T15, /T18, /T20, /T22, /T23, "CF"""D4/T", "CF"""""D2/T1, -T5, D3/T1, /T5, DCF"""""D4/T1, T5, DCF"S"""D6/T1, DCF"""""D7/T1, /T5, DCF"S"""D8/T1, DCFUS"""D12/T1, T3 AND DCFU""""D13/T" 1980-2 2/6/1980 MODIFICATION OF SYNCHROPHASER SLAVE GOVERNOR AND OBSOLESENCE OF CERTAIN PARTS DCF"S290D5-"/T3 AND DCF"S31- D3-"/T1 1980-3A 6/26/1980 NEW MCCAULEY MC-1 SYNCHROPHASER SYSTEM GOVERNOR DCF"S290D9/T" AND CONTROL BOX B-28000 Page 1 of 8 December 2023 SLNO DATE SUMMARY MODELS 1980-8 6/26/1980 INSPECTION FOR OIL LEAKAGE DCF""290D7-"/T3. DCF"S290D8- "/T3, DCFS290D7-"/T2, DCFS310D7-"/T5, DCFS310D8- "/T1, DCFUS310D3-"/T1 AND C290D3-"/T15 WITH SPECIFIC SERIAL NUMBERS 1982-3 4/16/1982 GOVERNOR MODIFICATION WHEN COMPLYING WITH CESSNA SINGLE ENGINE SERVICE LETTER SE82-14 C290D3-"/T16, AND C290D3-"/T21 1982-4 6/18/1982 NEW GOVERNOR PARTS NEW P/N A-1635-84, A-1635-86, A-1635-105 SCREWS, AND B- 20765 TOP COVER 1982-6 12/3/1982 SERVICE INFORMATION FOR NEW PROPELLER MODELS 1A170E/JFA7658 AND 1A170E/KFA7563 1983-6 8/24/1983 SERVICE INFORMATION TO OIL FILL ADDITIONAL PROPELLER MODELS C66, C70, C73, C78 1983-7 11/18/1983 BLADE CENTERLINE DIMENSION FIXED PITCH 1984-4 3/6/1984 SPINNER FILLET CRACKS C601, C701 1984-7 11/16/1984 MC-1 SYNCHROPHASER SERVICING DCFS290D9/T3, AND /T6, DCFUS290D9/T3 AND /T6, DCFTS290D10/T7. DCFTS290D15/T7, DCFTUS290D10/T7, AND DCFUS290D15/T7 1985-1 9/16/1985 AVAILABILITY OF CERTAIN GOVERNOR PARTS C290D2-"/T", "CF""290D1-"/T" AND "CF""310D1-"/T" 1986-2 4/18/1986 REPAIR PROCEDURES - GOVERNOR TOP COVER C290D2/T", "CF""290D1/T", AND "CF"310D1/T" 1986-6 10/17/1986 NEW HUBS AND BALANCE PROCEDURES ALL 3 BLADE THREADED, AND C600 SERIES PROPELLERS 1987-1 4/17/1987 BLADE EROSION TAPE (APPROVED TAPE IS Y-8671 FROM 3M) C652 1987-3 4/17/1987 GREASE LEAKAGE ALL GREASE LUBRICATED PROPELLERS 1987-5 11/9/1987 PARTS/PROCEDURES TO OIL FILL C30 PROPELLER C30 1989-2C 2/15/2002 CRITERIA FOR STATIC BLADE SHAKE AND TWIST OF MCCAULEY PROPELLERS ALL VARIABLE PITCH PROPELLERS 1989-3 5/22/1989 REUSE OF BALL BEARINGS AND RACES IN MCCAULEY TURBINE PROPELLERS C600, C650, AND C700 SERIES 1989-4D 7/20/2001 DYNAMIC BALANCE OF MCCAULEY PROPELLERS ALL PROPELLERS, FIXED PITCH 1989-5A 7/16/1990 ADDITIONAL OIL FILLED CONSTANT SPEED PROPELLERS MODELS ALL C23, C82 REGARDLESS OF DASH NUMBERS 1990-2A 3/15/1991 OIL FILLED CONSTANT SPEED PROPELLER MODELS C8, C9, C11, C16, C22, C34, C49, C50, C67, CT69 1991-5A 1/5/2004 OIL FILLED CONSTANT SPEED PROPELLER MODELS ALL OIL FILLED THREADED AND OIL FILLED THREADLESS, NON- TURBINE PROPELLERS Page 2 of 8 December 2023 SLNO DATE SUMMARY MODELS 1991-11A 11/22/1993 SPINNER INSTALLATION DECAL ALL PROPELLERS USING SPINNERS WITH FRONT SUPPORTS 1992-3 1/31/1992 NEW PROPELLER MODELS 1A170/BMS7660 1992-6A 12/29/1994 OIL-FILL INSTRUCTIONS C52, C54, C59, C60, C71 AND C91 1992-7 8/20/1992 OIL-FILL INSTRUCTIONS C76, C77, C79, AND C88 1992-9 6/30/1992 FIELD REPLACEMENT OF BETA RODS C701, C702, C703, C1003 1992-11 9/15/1992 FEEDBACK COLLAR REPAIR C700 AND C1000 SERIES 1992-15 2/1/1993 RED DYE IN TURBINE ENGINES C600, C650, C700, AND C1000 SERIES 1993-6A 10/3/2005 ANGLE SPECIFICATIONS 1A175 AND 1B175 PROPELLERS 1993-11A 6/20/1995 ADDITIONAL OIL FILL MODELS C35, C72, C74, C75, C80, C86, C87, C92, AND C93 1993-13 9/15/1993 ADDITIONAL OIL FILL MODELS C223 1993-17 1/20/1994 OIL-FILL C14, C28, C29, C31, C32, AND C33 1993-19 1/20/1994 INSTALLATION OF FEATHERING SPRINGS C652, C653, C661, C1003 1994-2 1/20/1994 SIGNIFICANCE OF CHANGE LETTERS ALL PROPELLERS AND GOVERNORS 1994-6A 4/22/1997 NEW GOVERNOR ROLL PIN GOVERNORS PREVIOUSLY USING A-3150-8 OR A-3150-15 PIN 1994-11A 12/1/1994 CHANGE IN GOVERNORS (GASKETS AND SPACERS) VARIOUS GOVERNOR MODELS 1994-12B 8/5/1997 NEW TOP COVERS ON GOVERNORS ALL GOVERNORS 1994-22 12/1/1994 OIL-FILL REQUIREMENT C38, C39, C48, C68, AND C89 1995-4C 3/13/2013 FIELD INSPECTION OF BLADES All "THREADED" C1 THROUGH C98 PROPELLER MODELS 1995-5A 12/5/2007 OPTIONAL CORROSION PREVENTATIVE FOR PROPELLER BLADES AND PROPELLER HUB BLADE SOCKETS ALL CONSTANT SPEED PROPELLERS 1995-7 4/25/1995 ANGLES FOR PROPELLER 1A170/FFAXXXX
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1995-19 12/11/1995 OVERSIZE BEARING RACES (INCORPORATED INTO MANUAL MPC200OM, MPC300, MPC400, MPC500OM, 860201 MPC750) ALL THREADLESS AND TURBINE MODEL PROPELLERS 1995-20A 6/28/1996 REPAIR PROCEDURES FOR A-20026 IDLER GEAR STUD GOVERNORS USING A-20026 IDLER GEAR STUD Page 3 of 8 December 2023 SLNO DATE SUMMARY MODELS 1995-21B 8/5/1997 OBSOLETE PROPELLER MODELS C1, CA6, C7, C8, C10, C11, C14, C16, C18, C21, C23, C28 to C35, C38, C39, C41, C42, C43, C45, C46, C48, C49, C50, C52, C53, C54, C56, C57, C64, C65, C68, CT69, C71, C72, C74, C77, C79, C80, C86, C87, C89, C91, C92, C93, C202, C206, C208, C301 1995-22 12/20/1995 NEW GOVERNOR MODELS DC290D1/T[X] 1996-1 3/11/1996 DEICE BRUSH WEAR LIMITS C653 1996-4A 4/22/1997 BLADE STAMPING ON FIXED PITCH PROPELLERS FIXED PITCH PROPELLERS 1996-5 6/28/1996 PAINT ON TURBINE FEATHERING SPRINGS ALL TURBINES EXCEPT C1105 1996-8A 12/16/1996 OBSOLETE BOLT KITS FIXED PITCH PROPELLERS 1996-12 10/29/1996 OPTIONAL SEALANT MAGNETIC CONTROL HEAD GOVERNORS 1997-1 1/23/1997 GOVERNOR DATA PLATE ALL GOVERNOR BODIES WITH IDLER GEAR REPAIR 1997-3A 8/28/2001 NEW FIXED PITCH PROPELLER MODEL 1C235/LFA7570 1997-6B 4/7/2003 TROUBLESHOOTING & CONTINUED OPERATION OF TURBINE PROPELLERS WITH BLADE SEAL LEAKAGE ALL TURBINES 1998-3A 9/21/1998 NEW B-4862 AND B-5043 DECAL ALL PROPELLERS EXCEPT FIXED PITCH PROPELLERS 1998-5 1/23/1998 NEW CYLINDER AND FRONT SPACER ALL THREADED EXCEPT, C1 AND C18, NON-OIL-FILLED PROPELLER MODELS 1998-8B 3/15/2001 TORQUING OF CYLINDER ATTACHING SCREWS ALL OIL FILLED PISTON PROPELLERS 1998-10 6/5/1998 NEW PILOT SPOOL ASSEMBLY ALL CONSTANT SPEED AND DAMPENED HEAD CONSTANT GOVERNORS 1998-11B 8/1/2000 NEW PUMP COVER ALL GOVERNORS 1998-18 6/5/1998 SLIP RING ASSEMBLY REWORK C652, C653, C661, C663, C664 1998-19 6/5/1998 PROPELLER SPECIFICATIONS INCLUDING NEW M1 PITCH DISTRIBUTION 1A103/TCM6958 1998-22A 12/10/1998 LEAKING OF GOVERNORS FROM PRESSURE RELIEF VALVE ALL GOVERNOR MODELS 1998-23 9/21/1998 OVERSPEEDING OF PROPELLERS FIXED PITCH AND ALL PROPELLERS EXCEPT C1101, C1102, C1103, AND C1104 1998-24 9/21/1998 TROUBLESHOOTING OF PISTON POWERED PROPELLERS WITH BLADE SEAL LEAKAGE ALL C200, C300, C400, AND C500 OIL FILLED PROPELLERS 1998-27B 7/20/2001 INTERCHANGEABILITY OF GOVERNOR BODIES ALL GOVERNORS Page 4 of 8 December 2023 SLNO DATE SUMMARY MODELS 1998-28B 8/28/2001 NEW PROPELLER MODEL 1A170E/JHA7660 1998-30 12/10/1998 A-20064 AND B-20769 FLYWEIGHTS ALL GOVERNOR MODELS 1998-33B 2/11/2000 SOLID STATE DEICE TIMERS MCCAULEY DEICE TIMERS 1999-2A 3/15/2001 FIELD INSPECTION AND REPAIR OF BLADES C1101, C1102, C1103, AND C1104 1999-3A 8/1/2000 GOVERNOR SPEEDER SPRING ALL MCCAULEY GOVERNORS 1999-4 3/1/1999 NEW PROPELLER MODEL 1A135/CRM7057 1999-6 6/21/1999 DE-ICE BOOT RESISTANCE VALUES ALL PROPELLERS USING MCCAULEY DE-ICE BOOTS 1999-7A 11/4/1999 SERVICE INFORMATION FOR NEW PROPELLER MODEL 1A135/DRM 1999-11 9/7/1999 INSPECTION OF GOVERNOR ROLL PIN ALL GOVERNORS 2000-4 5/1/2000 INSTALLATION OF PRESSURE RELIEF VALVE GOVERNORS 2000-5A 8/1/2000 NEW BULKHEADS AND SPINNER ASSEMBLIES (Incorporated in MPC200 and MPC400 Overhaul Manuals C23, C76, C223, C228, C406, C420, C422, C423, C434 2000-9B 3/15/2001 NEW PRESSURE RELIEF NUT ALL FEATHERING GOVERNORS 2000-10B 3/19/2003 NEW GOVERNOR SPECIFICATIONS ALL GOVERNORS 2000-11 8/1/2000 GOVERNOR INSTALLATION WITH BRACKET ALL GOVERNORS 2000-13A 3/15/2001 GOVERNOR NDI ALL GOVERNOR MODELS 2000-14 11/20/2000 NEW B-20939 GOVERNOR DECAL GOVERNORS 2000-18 11/20/2000 ACCUMULATOR B-20816 2000-19 11/20/2000 NEW B-40183-19 DEICE BOOT ALL PROPELLER MODELS 2000-21 11/20/2000 SLIP RING REPOTTING ALL PROPELLER MODELS 2001-1F 12/15/2002 MANUAL REVISION PAGES FIXED PITCH AND THREADED 2001-3 2/9/2001 NEW TOP COVERS GOVERNORS 2001-5 3/15/2001 MAGNETIC PARTICLE INSPECTION OF FLYWEIGHTS GOVERNORS 2001-8 11/1/2001 NEW PROPELLER MODEL 1B235/EFC 2001-9 7/20/2001 NEW GOVERNOR TOP COVER GASKET C-20949 GOVERNORS 2001-10 7/20/2001 NEW GOVERNOR TOP COVER B-20159 AND B-20862 GOVERNORS 2001-20C 7/18/2003 NEW GOVERNOR MODEL C290D8/T1 and C290D8/T2 2002-10 2/15/2002 MANUAL 890119 REVISION 5 C1000 SERIES Page 5 of 8 December 2023 SLNO DATE SUMMARY MODELS 2002-11 3/1/2002 REPLACEMENT OF ACCUMULATOR END CAPS D-20215, D-20215-3, D-20816 (ALL ACCUMULATORS) 2002-12 4/15/2002 ACCUMULATOR MOUNTING BRACKET REPLACEMENT D-20215, D-20816 2002-13 5/15/2002 FLYWEIGHT PIN INSTALLATION ALL MCCAULEY GOVERNORS 2002-22 9/15/2002 REWORK OF PROPELLER BLADES AND HUBS FOR INCLUSIONS 1C235/LFA 2002-23 9/15/2002 NEW GOVERNOR TOP COVERS DCFS290D9/T[X], DCFS290D10/T[X], DCFUS290D9/T[X], DCFTS290D10/T[X], DCFTS290D15/T[X], DCFTUS290D10/T[X], AND DCFTUS290D15/T[X] 2002-24B 9/15/2003 INSPECTION OF BULKHEAD FOR CRACKS C522 AND C523 2002-25 9/15/2002 GOVERNOR BODY CUP REWORK C290D3/T[X], C290D4/T[X], C290D6/T[X], C290D8/T[X], AND DC290D1/T[X] 2003-1 2/3/2003 COUNTERWEIGHT FAILURE C300 SERIES 2003-3 4/15/2003 INCORRECT BLADE STAKING ANGLE 114GCA-0, L114GCA-0, L106LA- 0, 90DCA-2, 90DFA-4, 82NEA-5 and 82NEA-5.5 2003-4A 5/19/2003 PISTON ROD ASSEMBLIES MANUFACTURED WITHOUT CADMIUM PLATING ALL 3-BLADE THREADED FEATHERING MODELS 2003-5 8/11/2003 GOVERNOR SERIAL NUMBER STAMPING ALL GOVERNORS 2004-1 1/26/2004 PROPELLERS ASSEMBLED WITH POSSIBLE LOW AND HIGH BLADE ANGLES NOT WITHIN PUBLISHED SPECIFICATIONS C201, C203, C204, C207, C213, C214, C218, C220, C241, C401, C402, C407, C412, C431, C443, C504 and C509 2005-1 1/31/2005 ANODIZED GOVERNOR FIELD MAINTENANCE AND CARE All McCauley Governors 2005-2 4/18/2005 CORRECTED TORQUING PROCEDURE FOR COUNTERWEIGHT BOLTS ON THREADED PROPELLERS All 2 and 3-Blade Threaded Feathering Models 2005-5 8/8/2005 RED DYE LIFE EXTENSION SPM 2005-6 9/16/2005 AUTOFEATHER SWITCH REPLACEMENT CESSNA 425 STC SA1491GL McCauley 4-blade STC No. SA1491GL 2005-7 11/28/2005 VIOLATION OF OPERATING RESTRICTIONS FOR FOUR AND FIVE BLADED TURBINE PROPELLERS All 4 and 5 blade propellers 2005-10A 1/18/2006 POROUS PHENOLIC BUSHINGS AND REVISED HUB LEAK TEST PROCEDURE Turbine 2006-5B 7/21/2014 OPTIONAL PROCEDURE FOR INSTALLATION OF DE-ICE BOOT RETAINING STRAPS C400 2007-5 5/22/2007 PISTON ROD ASSEMBLIES INSTALLED IN C300 AND C500 PROPELLERS C300, C500 2007-8A 10/2/2007 TURBOPROP PISTON TO CYLINDER O-RINGS C600, C650, C700, C750, C1000, C1100 Page 6 of 8 December 2023 SLNO DATE SUMMARY MODELS 2007-11 12/11/2007 NEW REPLACEMENT C-20959 AND C-20964 ALUMINUM PROPELLER GOVERNOR TOP COVERS All McCauley Governors 2008-2 5/12/2008 CORRECTION OF METRIC EQUIVALENT MEASUREMENT SPM, C1100 2008-3 7/10/2008 MODEL 1A100 and 1A135 PROPELLER SERVICE INFORMATION UPDATE 1A100 and 1A135 2009-1 9/4/2009 MODEL 1A162/TCD6754 PROPELLER SERVICE INFORMATION UPDATE 1A162 2010-1A 3/22/2010 NEW GOVERNOR MODEL SERVICE INFORMATION UPDATE C290D3/T53, C290D4/T5, and DCFUS290D10/T8 2010-2 4/7/2010 MODEL D3A34C447 PROPELLER SERVICE INFORMATION UPDATE D3A34C447 2010-3B 8/15/2011 C-7986 RUBBER GASKET INSTALLATION PROPELLER COMPONENT MAINTENANCE MANUAL REVISION 1 3A32C406, D3A32C409, D3A34C420, 3A34C423, D3A32C425, D3A32C426, D3A36C430, B3D36C431, B3D36C432, B3D36C433, 3A36C434, D3A36C435, D3A36C436, B3D36C442, D3A34C443, D3A34C444, and D3A34C447 2010-5 11/22/2010 McCAULEY SERVICE INFORMATION FOR ALL PROPELLER PRODUCTS ALL PROPELLER MODELS 2010-6 11/22/2010 PROCEDURES FOR PROPELLER SPACER MODIFICATION AND REMOVAL 1A162 2011-2B 11/16/2011 NEW REPLACEMENT D-7873 PISTON ROD ASSEMBLY C500 2011-3 6/6/2011 REFERENCE MANUAL MPC-5 SUPERCEDURE ALL PROPELLER MODELS 2011-4 6/6/2011 CORRECTION OF DIMENSION REQUIREMENTS BOM 2011-5 7/18/2011 ALTERNATE A-1633-128 BLADE SHANK O-RINGS C431, C432, C433, C434, C435, and C442 model series propeller 2011-6 9/26/2011 NEW REPLACEMENT D-7930 PISTON ROD ASSEMBLY C301, C302, C303, C304, C305, C306, C307, C308, and C310 2013-1 3/13/2013 SERVICE INFORMATION FOR MCCAULEY PRODUCTS All Aluminum Propellers, Governors, and Accumulators. 2014-1K 12/18/2023 PUBLICATION OF REVISED McCAULEY MANUALS SPM, BOM, C200, C300, C400, C500, C600, C650, C700, C750, C1100, C3400 2014-2 9/22/2014 PROPELLER HUB STUD PLATING CHANGE All With Hubs That Use Studs 2016-1 5/16/2016 MODEL E300D1-[X]/T1 ELECTRONIC GOVERNOR SERVICE INFORMATION UPDATE E300D1-[X]/T1 2016-2 11/10/2017 LOW RPM STOP POST MODIFICATION FOR C-20959 TOP COVER ALL MCCAULEY GOVERNORS EQUIPPEDWITH C-20959 TOP COVERS 2021-3 8/17/2021 Aeroshell Grease 5 Alternative SPM 2022-1 2/16/2022 McCauley B-6422 and B-4743 Actuating Link Assembly Inspection Page 7 of 8 December 2023 SLNO DATE SUMMARY MODELS 2022-2 2/16/2022 McCauley Propeller Hub Stud Plating Change All with McCauley Propeller hubs that use studs Page 8 of 8 December 2023