# N555PR: 1969 Piper PA-23-250 - Status: Valid registration - Airframe: Piper PA-23-250 (registry code 7102308, TCDS 1A10 (OpenAirDocs match)) - Engine: Lycoming TI0-540 series (registry code 41533, TCDS E14EA (OpenAirDocs match)) - Serial number: 27-4248 - Year built: 1969 - Type: Fixed wing multi engine - Airworthiness: Standard, normal - Airworthiness date: June 16, 1969 - Certificate issued: September 15, 2018 - Expires: September 30, 2028 - Mode S code: A71353 - Registered owner: Harlan Thomas D - Location: Fresno, CA - Owner's area on the map: 36.7932° N, 119.7598° W: Placed by OpenAirDocs at the center of ZIP code 93726, within about a mile (OpenAirDocs) - Page: https://openairdocs.org/aircraft/N555PR ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs matched by airframe (Piper PA-23-250) (OpenAirDocs) - [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023 - [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI). Effective Mar 21, 2022 - [AD 2021-25-11](https://openairdocs.org/ad/2021-25-11): Horizontal Stabilizer Structure · Piper PA-23-250. Effective Jan 25, 2022 - [AD 2017-15-05](https://openairdocs.org/ad/2017-15-05): Air Conditioning · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 28, 2017 - [AD 2015-24-05](https://openairdocs.org/ad/2015-24-05): PLACARDS AND MARKINGS; Interior Placards · Piper PA-23-250, PA-24-250, PA-24-260 and 7 more. Effective Jan 12, 2016 - [AD 2009-13-06 R1](https://openairdocs.org/ad/2009-13-06-R1): Doors · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Nov 3, 2011 - [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006 - [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006 - [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005 - [AD 2004-25-16 R1](https://openairdocs.org/ad/2004-25-16-R1): Fuel regulator shutoff valve · Bombardier CL-215-1A10, CL-215-6B11 (CL-215T Variant), CL-215-6B11 (CL-415 Variant) and 64 more. Effective Jun 20, 2005 - [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 - [AD 2005-01-10](https://openairdocs.org/ad/2005-01-10): Turbocharger Oil Reservoir · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Feb 22, 2005 - [AD 2003-09-13](https://openairdocs.org/ad/2003-09-13): Flap control torque tube assembly · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Jun 23, 2003 - [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000 - [AD 99-14-01](https://openairdocs.org/ad/99-14-01): AFM - Limitations Section - Icing · Piper PA-23, PA-23-160, PA-23-235 and 21 more. Effective Aug 17, 1999 - [AD 99-05-09](https://openairdocs.org/ad/99-05-09): Induction Air Filter · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 20 more. Effective Mar 19, 1999 - [AD 83-22-01 R1](https://openairdocs.org/ad/83-22-01-R1): Fuel Weight Limitations · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Nov 25, 1998 - [AD 85-02-05 R1](https://openairdocs.org/ad/85-02-05-R1): Piper P/N s 81090-02, 683-107 Placard Installation · Lavia Argentina PA-25, PA-25-235, PA-25-260 and 32 more. Effective Nov 21, 1997 - [AD 96-21-04](https://openairdocs.org/ad/96-21-04): Hydraulic Hose Inspection · Piper PA-23, PA-23-160, PA-23-235 and 13 more. Effective Dec 10, 1996 - [AD 93-06-02](https://openairdocs.org/ad/93-06-02): Fuel Hose · Integral 24 gallon auxiliary fuel tank in each wing tip (Met-Co Aire STC SA1480WE). Effective May 12, 1993 - [AD 88-21-07 R1](https://openairdocs.org/ad/88-21-07-R1): Fuel Filler Compartment · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 22, 1989 - [AD 81-04-05 R1](https://openairdocs.org/ad/81-04-05-R1): Flap-Spar Hinge Attachment · Piper PA-23, PA-23-235, PA-23-250 and 1 more. Effective Feb 11, 1982 - [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981 - [AD 80-26-04 R1](https://openairdocs.org/ad/80-26-04-R1): Rudder Pulley at Cabin Step · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Aug 28, 1981 - [AD 80-18-10](https://openairdocs.org/ad/80-18-10): Fuel Selector Valves · Piper PA-23, PA-23-160, PA-23-235 and 8 more. Effective Sep 8, 1980 - [AD 79-26-01](https://openairdocs.org/ad/79-26-01): Stabilator Skins and Frame · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Dec 24, 1979 - [AD 79-11-06](https://openairdocs.org/ad/79-11-06): Landing Gear Selector Lever · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 29, 1979 - [AD 78-25-03](https://openairdocs.org/ad/78-25-03): Hose Assemblies · Piper PA-23-250, PA-28R-180, PA-28R-200 and 11 more. Effective Jan 15, 1979 - [AD 77-23-09](https://openairdocs.org/ad/77-23-09): Fuel Flow · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Dec 19, 1978 - [AD 77-09-10](https://openairdocs.org/ad/77-09-10): Electric Trim Switch · Piper PA-23-250, PA-23-250 (Navy UO-1), PA-24-260 and 6 more. Effective May 12, 1977 - [AD 77-01-05](https://openairdocs.org/ad/77-01-05): Strobe NAV Light Wire · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jan 13, 1977 - [AD 76-11-07](https://openairdocs.org/ad/76-11-07): Magnetic Compass Deviations · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jun 4, 1976 - [AD 74-13-03](https://openairdocs.org/ad/74-13-03): Stabilator Attach Bolts · Piper PA-23-235, PA-23-250 (Navy UO-1), PA-24 and 5 more. Effective Apr 30, 1976 - [AD 72-21-07](https://openairdocs.org/ad/72-21-07): Longitudinal Stability · Piper PA-23-250 (Navy UO-1). Effective Apr 29, 1976 - [AD 74-10-01](https://openairdocs.org/ad/74-10-01): Outboard Flap Hinge · Piper PA-23-250 (Navy UO-1). Effective Dec 31, 1975 - [AD 75-11-05](https://openairdocs.org/ad/75-11-05): Glare Shield Panel · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective May 20, 1975 - [AD 74-22-05](https://openairdocs.org/ad/74-22-05): Full Valve Stem and Cap Nut · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Oct 23, 1974 - [AD 72-14-05](https://openairdocs.org/ad/72-14-05): Engine Exhaust System Stacks · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Sep 3, 1974 - [AD 72-11-01](https://openairdocs.org/ad/72-11-01): Possible Fire From Fuel Vapor · Piper PA-23-235, PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA179CE or SA867SW. Effective May 19, 1972 - [AD 68-07-04](https://openairdocs.org/ad/68-07-04): Engine Mount · Piper PA-23-250 (Navy UO-1). Effective Apr 11, 1972 - [AD 70-22-05](https://openairdocs.org/ad/70-22-05): Electrical System Modifications · Piper PA-23-250 (Navy UO-1), PA-30, PA-31 and 1 more. Effective Nov 30, 1971 - [AD 71-21-06](https://openairdocs.org/ad/71-21-06): Engine Firewall Flex Duct · Piper PA-23-250 (Navy UO-1). Effective Oct 12, 1971 - [AD 71-18-03](https://openairdocs.org/ad/71-18-03): Left Nose Wheel Door Hinge · Wheel well doors (Apache Modification STC SA598SW). Effective Sep 2, 1971 - [AD 71-12-05](https://openairdocs.org/ad/71-12-05): Electric Trim Switch Modification · Piper PA-23-250 (Navy UO-1), PA-24-260, PA-30 and 5 more. Effective Jun 16, 1971 - [AD 71-12-01](https://openairdocs.org/ad/71-12-01): Engine Control Support Bracket · Piper PA-23, PA-23-160 and PA-23-250 (Navy UO-1). Effective Jun 8, 1971 - [AD 68-21-03](https://openairdocs.org/ad/68-21-03): Exhaust Tailpipe Assemblies · Piper PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA909WE or SA978WE. Effective Oct 28, 1968 - [AD 66-18-03](https://openairdocs.org/ad/66-18-03): Induction System Icing · Piper PA-23-250 (Navy UO-1) and PA-E23-250. Effective Aug 2, 1966 - [AD 64-21-05](https://openairdocs.org/ad/64-21-05): Hartzell Propeller Governor · Piper PA-23-250 (Navy UO-1) and PA-30. Effective Sep 16, 1964 Historical (superseded or no longer in force): AD 2009-13-06, AD 78-02-03, AD 74-06-01, AD 69-13-03 ## ADs matched by engine (Lycoming TI0-540 series) (OpenAirDocs) - [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026 - [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023 - [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022 - [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017 - [AD 2017-11-10](https://openairdocs.org/ad/2017-11-10): Engine Exhaust System · Lycoming Engines TIO-540-AJ1A. Effective Jun 28, 2017 - [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015 - [AD 2015-10-06](https://openairdocs.org/ad/2015-10-06): Engine exhaust pipes · Lycoming Engines TIO-540-AJ1A. Effective Jul 2, 2015 - [AD 2013-21-02](https://openairdocs.org/ad/2013-21-02): Turbochargers · Continental Motors LTSIO-360-RB, TSIO-360-MB, TSIO-360-RB and 2 more. Effective Nov 13, 2013 - [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012 - [AD 71-13-01 R1](https://openairdocs.org/ad/71-13-01-R1): Rescinding an airworthiness directive · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 13 more. Effective Mar 8, 2012 - [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012 - [AD 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011 - [AD 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010 - [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010 - [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009 - [AD 2008-08-17](https://openairdocs.org/ad/2008-08-17): Turbocharger turbine housing flange and the exhaust tube flange · Teledyne Continental Motors TSIOL-550-A 'Liquid-Cooled' engines (RAM Aircraft Limited Partnership STC SA7633SW or SA7633SW-D). Effective May 6, 2008 - [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006 - [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006 - [AD 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005 - [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005 - [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004 - [AD 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 2004 - [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003 - [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002 - [AD 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002 - [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998 - [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997 - [AD 97-01-04](https://openairdocs.org/ad/97-01-04): Cylinder assemblies · Lycoming Engines IO-540-M1B5D, LTIO-540-F2BD, LTIO-540-J2B and 10 more. Effective Apr 22, 1997 - [AD 91-21-01 R1](https://openairdocs.org/ad/91-21-01-R1): Exhaust System Flanges · Lycoming Engines TIO-540-S1AD. Effective Jun 27, 1996 - [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996 - [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995 - [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992 - [AD 91-10-04](https://openairdocs.org/ad/91-10-04): Exhaust Transition Flange Bolts · Lycoming Engines TIO-540-AE2A. Effective May 21, 1991 - [AD 91-08-07](https://openairdocs.org/ad/91-08-07): Fuel Pump · Lycoming Engines TIO-360-A1A, TIO-360-A1B, TIO-360-A3B6 and 51 more. Effective May 6, 1991 - [AD 89-15-10](https://openairdocs.org/ad/89-15-10): Nozzle Vent Manifold · Lycoming Engines TIO-540-AE2A. Effective Nov 30, 1989 - [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989 - [AD 84-19-03 R1](https://openairdocs.org/ad/84-19-03-R1): Cylinder Assemblies · Lycoming Engines LTIO-540-V2AD and TIO-540-V2AD. Effective Sep 20, 1984 - [AD 83-22-04](https://openairdocs.org/ad/83-22-04): Injector Fuel Diaphragm Stem · Lycoming Engines AEIO-540-L1B5D, IO-540-AA1A5, IO-540-G1B5 and 30 more. Effective Nov 4, 1983 - [AD 81-12-06 R1](https://openairdocs.org/ad/81-12-06-R1): Magnetos · Bendix Magnetos, LTIO-540-J2BD and TIO-540-J2BD. Effective Nov 12, 1981 - [AD 80-17-10](https://openairdocs.org/ad/80-17-10): Transition Wastegate Assembly · Lycoming Engines TIO-540-S1AD. Effective Aug 18, 1980 - [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979 - [AD 79-12-07](https://openairdocs.org/ad/79-12-07): Magnetos · Bendix Magnetos, TIO-540-F2BD, TIO-540-N2BD and 3 more. Effective Jun 19, 1979 - [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978 - [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977 - [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975 - [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973 - [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969 Historical (superseded or no longer in force): AD 2024-21-02, AD 2012-24-09, AD 2011-26-04, AD 2011-15-10, AD 2008-19-05, AD 2008-14-07, AD 2008-08-14, AD 2008-06-51, AD 2006-20-09, AD 2005-26-10, AD 2002-26-01, AD 2002-23-06, AD 2002-20-51, AD 2002-17-53, AD 2002-04-51, AD 98-18-12, AD 93-05-22, AD 92-12-10, AD 71-13-01 ## Information bulletins (advisory) - [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM - [SAIB CE-17-08](https://openairdocs.org/saib/CE-17-08): Main Landing Gear Drag Link Bolt - [SAIB CE-12-44](https://openairdocs.org/saib/CE-12-44): Exhaust systems - [SAIB CE-08-11](https://openairdocs.org/saib/CE-08-11): Landing Gear - [SAIB CE-04-88](https://openairdocs.org/saib/CE-04-88): - [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders - [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor Idler Gear Shaft Set Screw - [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs - [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor - [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines - [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft - [SAIB NE-08-26R1](https://openairdocs.org/saib/NE-08-26R1): Dual Magnetos - [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32): Propeller Governor Set Screw - [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): - [SAIB NE-03-12](https://openairdocs.org/saib/NE-03-12): - [SAIB NE-01-37](https://openairdocs.org/saib/NE-01-37): --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.