# N555SM: 1973 Cessna 172M

- Status: Valid registration
- Airframe: Cessna 172M (registry code 2072418, TCDS 3A12 (OpenAirDocs match))
- Engine: Lycoming 0-320 series (registry code 41508, TCDS E-274 (OpenAirDocs match))
- Serial number: 17261805
- Year built: 1973
- Type: Fixed wing single engine
- Airworthiness: Standard, normal, utility
- Airworthiness date: June 7, 1973
- Certificate issued: January 14, 2020
- Expires: January 31, 2030
- Mode S code: A7139A
- Registered owner: Walla Walla University
- Location: College Place, WA
- Owner's area on the map: 46.0437° N, 118.3855° W: Placed by OpenAirDocs at the center of ZIP code 99324, within about a mile (OpenAirDocs)
- Page: https://openairdocs.org/aircraft/N555SM

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 (Cessna 172M) (OpenAirDocs)

- [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 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 2011-10-09](https://openairdocs.org/ad/2011-10-09): Seat Rails and Roller Housing Inspections · Cessna 150A, 150B, 150C and 221 more. Effective Jun 17, 2011
- [AD 2011-06-02](https://openairdocs.org/ad/2011-06-02): Engine · TAE 125-01 Engine Installation (Technify Motors STC SA01303WI). Effective May 26, 2011
- [AD 2008-26-10](https://openairdocs.org/ad/2008-26-10): Alternate static air source selector valve · Cessna 172, 172A, 172B and 179 more. Effective Jan 5, 2009
- [AD 2008-02-18](https://openairdocs.org/ad/2008-02-18): Pick-up collar support and nylon screws · BRS-172 parachute recovery system (Ballistic Recovery Systems STC SA01679CH or SA01999CH). Effective Feb 28, 2008
- [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 2005-01-19](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 2000-06-01](https://openairdocs.org/ad/2000-06-01): Fuel Strainer Assembly · Cessna 150F, 150G, 150H and 163 more. Effective May 5, 2000
- [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 99-27-02](https://openairdocs.org/ad/99-27-02): Fuel Selector Valves · Cessna 170B, 172, 172A and 36 more. Effective Jan 21, 2000
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998
- [AD 97-01-13](https://openairdocs.org/ad/97-01-13): Fuel, Oil and Hydraulic Hoses · Cessna 150, 150A, 150B and 232 more. Effective Feb 3, 1997
- [AD 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996
- [AD 90-06-03 R1](https://openairdocs.org/ad/90-06-03-R1): Exhaust Heater/Muffler Assembly · Cessna 172, 172A, 172B and 16 more. Effective Mar 27, 1991
- [AD 79-10-14 R1](https://openairdocs.org/ad/79-10-14-R1): Fuel Tank Venting · Cessna 140A, 150, 150A and 172 more. Effective May 30, 1988
- [AD 86-24-07](https://openairdocs.org/ad/86-24-07): Engine Controls Installation · Cessna 150C, 150D, 150E and 142 more. Effective Jan 7, 1987
- [AD 83-17-06](https://openairdocs.org/ad/83-17-06): Aileron Balance Weights · Flap actuated aileron droop system (Sierra Industries STC SA1382WE or 5 others). Effective Sep 1, 1983
- [AD 83-10-03](https://openairdocs.org/ad/83-10-03): Control Wheel Yoke Guide Modification · Cessna 172M, 172N, 172P and 17 more. Effective Jun 30, 1983
- [AD 82-07-02](https://openairdocs.org/ad/82-07-02): Engine Crankcase Breather · Lycoming O-360-A1A engine and Hartzell HC-C2YK-1B/7666A-2… (Avcon Industries STC SA1324CE or 14 others). Effective Apr 8, 1982
- [AD 80-25-07 R1](https://openairdocs.org/ad/80-25-07-R1): Oil Coolers · American Champion 7ECA, 7GCAA, 7GCBC and 39 more. Effective Sep 24, 1981
- [AD 81-15-03](https://openairdocs.org/ad/81-15-03): Engine Inlet Air Filters · Replace existing engine induction air filter (Brackett Aero Filters STC SA693CE or SA71GL). Effective Jul 20, 1981
- [AD 79-08-03](https://openairdocs.org/ad/79-08-03): Electrical System · Cessna 120, 140, 140A and 152 more. Effective Jun 6, 1979
- [AD 77-12-08](https://openairdocs.org/ad/77-12-08): External Electrical Ground Power Receptacle · Cessna 172M, 172N, 177B and 19 more. Effective Jun 27, 1977
- [AD 77-02-09](https://openairdocs.org/ad/77-02-09): Wing Flap System · Cessna 150, 150A, 150B and 61 more. Effective Feb 3, 1977
- [AD 76-21-06](https://openairdocs.org/ad/76-21-06): Loss of Engine Oil · Cessna 172M, 172N, 177B and 1 more. Effective Oct 26, 1976
- [AD 76-04-03](https://openairdocs.org/ad/76-04-03): ARC PA-500A Actuators · Cessna 172L, 172M, 177B and 43 more. Effective Feb 26, 1976
- [AD 74-08-01](https://openairdocs.org/ad/74-08-01): Autopilot Servo Actuators · Aircraft Radio Autopilot Servo Actuators, 172L, 172M and 29 more. Effective Apr 9, 1974
- [AD 74-06-02](https://openairdocs.org/ad/74-06-02): AVCON Mufflers · Lycoming 150 and160 hp Model O-320-( ) engine (Williams Robert or Barbara STC SA750CE or 3 others). Effective Mar 18, 1974
- [AD 74-04-01](https://openairdocs.org/ad/74-04-01): Aft Fuselage Bulkhead Assembly · Cessna 172, 172A, 172B and 16 more. Effective Feb 12, 1974
- [AD 73-23-07](https://openairdocs.org/ad/73-23-07): Defective Spar Attachment Fittings · Cessna 150, 150A, 150B and 68 more. Effective Nov 19, 1973
- [AD 73-17-01](https://openairdocs.org/ad/73-17-01): Fuel Transfer Pump Placard · Cessna 170, 170A, 170B and 53 more. Effective Aug 16, 1973
- [AD 71-22-02](https://openairdocs.org/ad/71-22-02): Cracks In Nose Gear Fork · Cessna 150, 150A, 150B and 52 more. Effective Nov 9, 1971
- [AD 71-18-01](https://openairdocs.org/ad/71-18-01): Fuel Selector Valve Placard · Cessna 172, 172A, 172B and 16 more. Effective Aug 31, 1971
- [AD 69-15-03](https://openairdocs.org/ad/69-15-03): Muffler Assembly · Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B… (D'Shannon Products STC SA135CE or 8 others). Effective Aug 20, 1969
- [AD 68-17-04](https://openairdocs.org/ad/68-17-04): Stall Warning System · Cessna 150, 150A, 150B and 63 more. Effective Sep 7, 1968

Historical (superseded or no longer in force): AD 87-20-03 R2

## ADs matched by engine (Lycoming 0-320 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 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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [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 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007
- [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 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 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 98-02-08](https://openairdocs.org/ad/98-02-08): Crankshaft · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 216 more. Effective Mar 30, 1998
- [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 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 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 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 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993
- [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 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [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 80-04-03 R2](https://openairdocs.org/ad/80-04-03-R2): Hydraulic Lifter · Lycoming Engines LO-360-E1A6D, LTO-360-E1A6D, O-320-H1AD and 7 more. Effective Apr 25, 1988
- [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981
- [AD 80-14-07](https://openairdocs.org/ad/80-14-07): Upper Exhaust Valve Spring Seats · Lycoming Engines LO-360-E1A6D, O-320-H1AD, O-320-H1BD and 5 more. Effective Jul 7, 1980
- [AD 79-10-03 R2](https://openairdocs.org/ad/79-10-03-R2): Engine Mounting Bracket Attaching Bolts · Lycoming Engines LO-360-E1A6D, O-320-H2AD and O-360-E1A6D. Effective Jul 1, 1980
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980
- [AD 78-12-09](https://openairdocs.org/ad/78-12-09): Crankshaft Gear Assembly · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Feb 20, 1979
- [AD 77-07-07](https://openairdocs.org/ad/77-07-07): Oil Level Gage · Lycoming Engines O-320-H2AD. Effective Feb 20, 1979
- [AD 77-20-07](https://openairdocs.org/ad/77-20-07): Loose Rocker Arm Retaining Studs and Hydraulic Tappets · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Aug 31, 1978
- [AD 78-12-08](https://openairdocs.org/ad/78-12-08): Oil Pump Body · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Jun 20, 1978
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [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
- [AD 63-23-02](https://openairdocs.org/ad/63-23-02): Exhaust Valves · Lycoming Engines O-320-A1A, O-320-A1B, O-320-A2A and 25 more. Effective Aug 6, 1968
- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967
- [AD 66-20-04](https://openairdocs.org/ad/66-20-04): Oil Filter Adapter Gasket · Lycoming Engines IO-320-A1A, IO-320-A2A, IO-320-B1A and 121 more. Effective Aug 27, 1966
- [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964
- [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more
- [AD 55-02-02](https://openairdocs.org/ad/55-02-02): Gasket · Lycoming Engines O-320-A1A and O-320-A2A

Historical (superseded or no longer in force): AD 2024-21-02, AD 2008-19-05, AD 2005-26-10, AD 2000-18-53, AD 81-18-04 R2

## Information bulletins (advisory)

- [SAIB AIR-21-16](https://openairdocs.org/saib/AIR-21-16): FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt Inspection
- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
- [SAIB CE-18-23](https://openairdocs.org/saib/CE-18-23): Passenger Compartment Equipment - Installation of F. Atlee Dodge Aircraft Services LLC. Folding Jump Seats
- [SAIB CE-17-25](https://openairdocs.org/saib/CE-17-25): ELEVATOR TORQUE TUBE  Inspections for cracks and corrosion in elevator torque tubes
- [SAIB CE-12-14](https://openairdocs.org/saib/CE-12-14): Three Alternative Methods of Compliance for AD 2011-10-09
- [SAIB CE-10-40R1](https://openairdocs.org/saib/CE-10-40R1): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes
- [SAIB CE-10-40](https://openairdocs.org/saib/CE-10-40): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes
- [SAIB CE-09-42](https://openairdocs.org/saib/CE-09-42): Lights - Landing Light, Beacon Light and Taxi Light Switch Applications
- [SAIB CE-09-10](https://openairdocs.org/saib/CE-09-10): Availability of Secondary Seat Stops for Pilot and Copilot Seats
- [SAIB CE-09-01](https://openairdocs.org/saib/CE-09-01): Equipment - Emergency
- [SAIB CE-01-41R2](https://openairdocs.org/saib/CE-01-41R2): Flight Controls
- [SAIB CE-01-41R1](https://openairdocs.org/saib/CE-01-41R1): Cracks in plastic or non-metallic control wheels
- [SAIB NE-06-31R6](https://openairdocs.org/saib/NE-06-31R6): Engine Lubricating Oils
- [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-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines
- [SAIB NE-06-31R5](https://openairdocs.org/saib/NE-06-31R5): Engine Lubricating Oils
- [SAIB NE-06-31R4](https://openairdocs.org/saib/NE-06-31R4): Engine Lubricating Oils
- [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor
- [SAIB NE-06-31R3](https://openairdocs.org/saib/NE-06-31R3): Engine Lubricating Oils
- [SAIB NE-06-31R2](https://openairdocs.org/saib/NE-06-31R2): Engine Lubricating Oils
- [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-06-31R1](https://openairdocs.org/saib/NE-06-31R1): 
- [SAIB NE-06-31](https://openairdocs.org/saib/NE-06-31): 
- [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): 
- [SAIB NE-00-22](https://openairdocs.org/saib/NE-00-22): 

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20210812013719I](https://openairdocs.org/incident/20210812013719I), Aug 12, 2021: Cessna 172M (N555SM), Walla Walla, WA, Minor damage. Solo student pilot lost control of aircraft on landing roll out. Normal approach, when aircraft touched down aircraft drifted to the right pilot corrected to…

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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.
