# Lycoming TIO-540-A2C

- Type: Engine model (FAA registry)
- Registry code: 41971
- Manufacturer (registry): LYCOMING
- Model: TIO-540-A2C
- Engine type: Reciprocating
- Power: 310 hp
- Data sheet: [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 6 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-tio-540-a2c

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [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 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 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 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 2009-02-03](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 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 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 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 91-08-07](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 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 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

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 2002-23-06](https://openairdocs.org/ad/2002-23-06) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, AEIO-540-D4A5, AEIO-540-D4B5 and 46 more. Effective Nov 19, 2002
- [AD 2002-20-51](https://openairdocs.org/ad/2002-20-51) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, IO-540 Series (all), LTIO-540-F2BD and 39 more
- [AD 2002-17-53](https://openairdocs.org/ad/2002-17-53) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 36 more
- [AD 2002-04-51](https://openairdocs.org/ad/2002-04-51) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 8 more
- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998
- [AD 71-13-01](https://openairdocs.org/ad/71-13-01) (historical): Fuel Injector Manifold To Nozzle Tube Assemblies · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 3 more. Effective Jun 22, 1971

## Information bulletins (advisory) (6)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## Registered aircraft (6)

- [N212RA](https://openairdocs.org/aircraft/N212RA): [Abin Ricardo](https://openairdocs.org/faa-owner/ABIN%20RICARDO), [Miami Lakes, FL](https://openairdocs.org/faa-place/FL/Miami%20Lakes), built 1977, S/N 317712057
- [N27712](https://openairdocs.org/aircraft/N27712): [Juliet Lima Marketing Inc](https://openairdocs.org/faa-owner/JULIET%20LIMA%20MARKETING%20INC), [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach), built 1978, S/N 31-7812102, Non-citizen corporation, flight hours not reported
- [N317SF](https://openairdocs.org/aircraft/N317SF): [Lasher Patrick R](https://openairdocs.org/faa-owner/LASHER%20PATRICK%20R), [Magnolia, DE](https://openairdocs.org/faa-place/DE/Magnolia), S/N 31-7300912
- [N325SG](https://openairdocs.org/aircraft/N325SG): [Traveling Lill LLC](https://openairdocs.org/faa-owner/TRAVELING%20LILL%20LLC), [Key Largo, FL](https://openairdocs.org/faa-place/FL/Key%20Largo), built 1978, S/N 317812115
- [N478AP](https://openairdocs.org/aircraft/N478AP): [Valiair Limited Co Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LIMITED%20CO%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1974, S/N 31-7400993
- [N737WK](https://openairdocs.org/aircraft/N737WK): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1978, S/N 31-7812079

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports (3)

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

- [Incident 20181029024449I](https://openairdocs.org/incident/20181029024449I), Oct 29, 2018: Piper PA-31 (N54WB), Searcy, AR, Minor damage. On 10/29/2018 aircraft N54WB s/n 31-8112001, a Piper PA31 twin engine aircraft departed country air (1AR9) headed to Searcy (src) the pilot reported when gear…
- [Incident 20000601032719I](https://openairdocs.org/incident/20000601032719I), Jun 1, 2000: Piper PA31 (N65TT), Rochester, NY. (-23)On June 1, 2000, at 1830 EST, a Piper aircraft, PA-31-350, s/n 31-7612078, N65TT, experienced fumes in the cockpit while inbound to Rochester, NY airport…
- [Incident 19980519019569I](https://openairdocs.org/incident/19980519019569I), May 19, 1998: Piper PA31 (N65TT), Rochester, NY. Smoke from under panel on approach turned off master. Smoke stopped. Used had com. Panel dimmer switch shorted.

## Service difficulty reports (249, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2026FA0000026](https://openairdocs.org/sdr/2026FA0000026), Jan 15, 2026: TRANSMITTER. DEFECTIVE. PILOTS RETURNED FROM THEIR FLIGHT WITH A SQUAWK DETAILING THAT FUEL PRESSURE INDICATOR BEGAN DISPLAYING A NULL VALUE. THIS WAS DUE TO A PREMATURE FAILURE OF THE
- [SDR CA190711008](https://openairdocs.org/sdr/CA190711008), Jul 10, 2019: LAMP. FAILED. (CAN) CAPTAIN SIDE EHSI PROJECTION LAMP FAILED IN FLIGHT, AFTER APPROXIMATELY 55 HOURS OF OPERATION SINCE NEW. FLIGHT CONTINUED WITH NO OTHER ISSUES, AND LAMP R
- [SDR CA190801010](https://openairdocs.org/sdr/CA190801010), Jul 1, 2019: STRUT. CRACKED. (CAN) LEFT HAND MAIN LANDING GEAR STRUT COLLAPSED ON LANDING. FOLLOWING INSPECTION BY AN AME THE LANDING GEAR HOUSING WAS FOUND TO HAVE AN 8 INCH LONG CRACK THA
- [SDR CA190627005](https://openairdocs.org/sdr/CA190627005), Jun 20, 2019: DRIVE SHAFT. LEAKING. (CAN) LEAKING FROM DRIVE SHAFT SEAL AND SHAFT WORN (TC# 20190627005)
- [SDR CA150915004](https://openairdocs.org/sdr/CA150915004), Sep 15, 2015: PUMP. FAILED. (CAN) WITH THE BOOSTER PUMP ON, THE ENGINE DRIVEN FUEL PUMP WAS FOUND INTERNALY LEAKING THROUGH THE PRESSURE REGULATOR DIAPHRAGM CHAMBER IN TO THE PUMP VENT LIN
- [SDR CA150623003](https://openairdocs.org/sdr/CA150623003), Jun 14, 2015: LINE. PUNCTURED. (CAN) LT ENGINE OIL PRESSURE INDICATOR LINE PUNCTURE FROM CHAFING.
- [SDR CA150610004](https://openairdocs.org/sdr/CA150610004), Jun 8, 2015: TIRE. BLOWN. (CAN) DURING THE ROLL OUT, IMMEDIATELY AFTER LANDING ON RUNWAY 30, LT MAIN TIRE BLEW. TAXIED ACFT CLEAR OF RUNWAY & SHUTDOWN ON A3 TAXIWAY. TOWED ACFT TO HANGAR
- [SDR CA150704001](https://openairdocs.org/sdr/CA150704001), Jun 6, 2015: ENGINE. DAMAGED. (CAN) ENGINE RT, HIGH LEVELS OF ALUMINUM & MODERATE LEVELS OF CHROME STEEL WEAR SHOWING ON ENG OIL ANALYSIS TREND, MICRO TECH SYSTEMS LAB NUMBER UL4452 & VC5327
- [SDR CA150608004](https://openairdocs.org/sdr/CA150608004), Jun 5, 2015: DISTRIBUTOR BLK. DAMAGED. (CAN) DEAD MAG AT RUN-UP. MAGNETO REMOVED, DISASSEMBLED, & INSPECTED. FOUND LATERAL MOVEMENT OF DISTRIBUTOR ROTOR, ROTOR POINT CONTACTING DISTRIBUTOR HOUSING PO
- [SDR CA150527001](https://openairdocs.org/sdr/CA150527001), May 22, 2015: PLATE. CRACKED. (CAN) RIGHT ENG TURBO SUPPORT BRACKET CRACKED.
- [SDR 2015FA0000162](https://openairdocs.org/sdr/2015FA0000162), Apr 27, 2015: LANDING GEAR. LACK OF LUBE. NOSE GEAR NOT EXTENDING IN FLIGHT DUE TO LACK OF LUBE AIRPLANE OPERATED AND PARKED ON GRAVEL NEXT TO SALT WATER PAST 300 HR 2 YEARS OLD LUBE INTERVALS 100 HR NE
- [SDR CA140909010](https://openairdocs.org/sdr/CA140909010), Aug 28, 2014: BEARING. CORRODED. (CAN) THE NLG ACTUATOR ROD END BEARING FAILED AT THE THREADED SHAFT. THIS CAUSED THE NLG TO COLLAPSE WHILE THE ACFT WAS BEING TOWED. THE ROD END BEARING THREADE
- [SDR CA141219002](https://openairdocs.org/sdr/CA141219002), Mar 26, 2014: COMBUST CHAMBER. CRACKED. (CAN) THIS WAS DISCOVER DURING REGULAR 5 YEARS PRESSURE DECAY TEST OF THE HEATER, THE UNIT FAIL TEST. IT WAS REMOVED TO PERFORM ANOTHER TEST. THE LEAK SEEM FROM
- [SDR CA131120009](https://openairdocs.org/sdr/CA131120009), Oct 17, 2013: CONTROL CABLE. FRAYED. (CAN) DURING A DETAILED CABIN INSPECTION, THE FORWARD UP ELEVATOR CABLE WAS FOUND TO HAVE ALL STRANDS SEPARATED FROM THE CORE OF THE CABLE. CABLE DEFORMITY WAS 
- [SDR CA131120010](https://openairdocs.org/sdr/CA131120010), Oct 8, 2013: SERVO. MALFUNCTIONED. (CAN) RT ENGINE WOULD NOT PRODUCE MORE THAN 2000 RPM DURING RUN-UP. FUEL INJECTION SERVO REPLACED.
- [SDR CA130912002](https://openairdocs.org/sdr/CA130912002), Sep 10, 2013: TAILPIPE. CRACKED. (CAN) FOUND RT TOP TURBOCHARGER TAIL PIPE CRACKED.
- [SDR CA131021022](https://openairdocs.org/sdr/CA131021022), Aug 22, 2013: MOTOR. FAILED. (CAN) FLAP MOTOR SHORTED INTERNALLY CAUSING CIRCUIT BREAKER TO TRIP. UPON REMOVAL FLAP MOTOR WAS FOUND TO HAVE GREASE ON THE EXTERIOR AND A BURNED ODOR WAS NOTE
- [SDR CA130712004](https://openairdocs.org/sdr/CA130712004), Jul 11, 2013: BRACKET. CRACKED. (CAN) LEFT MLG DOOR ACTUATOR HOLDING BRACKET CRACKED.
- [SDR CA130712005](https://openairdocs.org/sdr/CA130712005), Jul 11, 2013: BRACKET. CRACKED. (CAN) LEFT MLG DOOR ACTUATOR HOLDING BRACKET CRACKED.
- [SDR CA130530005](https://openairdocs.org/sdr/CA130530005), May 16, 2013: BOLT. FAILED. (CAN) BOLTS ON SPAR WEB SPLICE PIPER P/N 40624-00 INSPECTED. TWO LOWEST BOLTS ON SPLICE ASSEMBLY BROKE WHEN TIGHTENED. BOLTS REPLACED. (TC# 20130530005)
- [SDR CA130424001](https://openairdocs.org/sdr/CA130424001), Apr 23, 2013: LIFTER. CORRODED. (CAN) FIVE LIFTERS FOUND PITTED AND 1 LOB OF THE CAM WORN.
- [SDR CA130419001](https://openairdocs.org/sdr/CA130419001), Apr 17, 2013: EXHAUST PIPE. BURNED. (CAN) DURING ROUTINE MAINTENANCE, PROP BALANCING, THE AME NOTICED THAT THE UPPER EXHAUST TAIL PIPE ON THE RT ENGINE HAD A LARGE HOLE BURNED THRU. PIPE WAS REMOV
- [SDR CA130306010](https://openairdocs.org/sdr/CA130306010), Mar 3, 2013: PUMP. MALFUNCTIONED. (CAN) LEFT VACUUM PUMP REPORTED INOPERATIVE BY PILOT. VACUMM PUMP REPLACED.
- [SDR CA130220011](https://openairdocs.org/sdr/CA130220011), Feb 18, 2013: TRUNNION. CRACKED. (CAN) THE NOSE GEAR TRUNNION WAS CRACKED AT THE LIMIT STOPS FROM WHAT APPEARS TO HAVE BEEN AN OVER STEER PROBLEM EITHER BY GROUND EQUIPMENT OR BY USING DIFFEREN
- [SDR CA130116013](https://openairdocs.org/sdr/CA130116013), Jan 2, 2013: BULKHEAD. CRACKED. (CAN) CRACK FOUND ON PEDESTAL BULKHEAD BS 90.5. CRACK ON RUDDER PEDAL TORQUE TUBE ATTACH POINT. RUDDER TUBE MOVEMENT CAUSED RUDDER TENSION TO BE LESS AND RUDDER
- [SDR CA130104004](https://openairdocs.org/sdr/CA130104004), Dec 31, 2012: RHEOSTAT. INTERMITTENT. (CAN) AFTER INSTALLING A CABIN HEATER IN THE ACFT, WE HAVE HAD ISSUES WITH THE OPERATION OF THE HEATER. WE INSTALLED A NEW LINEAR RHEOSTAT CONTROL, PN CD21399 W
- [SDR CA120815009](https://openairdocs.org/sdr/CA120815009), Aug 4, 2012: MAGNETO. LEAKING. (CAN) MAGNETO FOUND LEAKING. MAGNETO REPLACED.
- [SDR CA120815008](https://openairdocs.org/sdr/CA120815008), Jul 20, 2012: MOTOR. LOOSE. (CAN) DURING DETAILED INSPECTION OF THE ACFT THE STARTER MOTOR WAS FOUND TO BE LOOSE. STARTER REPLACED.
- [SDR CA120706002](https://openairdocs.org/sdr/CA120706002), Jul 4, 2012: BULKHEAD. CRACKED. (CAN) DURING 100 HRS INSPECTION LT SPINNER BACK PLATE FOUND CRACKED.
- [SDR CA120514006](https://openairdocs.org/sdr/CA120514006), May 14, 2012: ATTACH FITTING. CRACKED. (CAN) AIRCRAFT WAS IN FOR SCHEDULED MAINTENANCE TO ADDRESS SL1088 THE 500 HR INSPECTION OF NLG LINK. LINK WAS REMOVED FROM ACFT, PAINT STRIPPED AND INSPECTED WI
- [SDR CA120511005](https://openairdocs.org/sdr/CA120511005), May 10, 2012: MOUNT. BROKEN. (CAN) TURBO MOUNT LT UPPER TUBE FWD OF TURBO ATTACHMENT FOUND BROKEN DURING REGULAR INSPECTION.
- [SDR CA120517002](https://openairdocs.org/sdr/CA120517002), Apr 29, 2012: MAGNETO. MALFUNCTIONED. (CAN) PILOT REPORTED A 200 RPM DROP DURING MAG CHECK OF RT MAGNETO ON RT ENGINE. MAGNETO REPLACED.
- [SDR CA120509010](https://openairdocs.org/sdr/CA120509010), Apr 17, 2012: WASTEGATE VALVE. LEAKING. (CAN) WASTEGATE FOUND LEAKING. WASTEGATE REPLACED.
- [SDR CA120423020](https://openairdocs.org/sdr/CA120423020), Apr 10, 2012: STARTER. SLIPPED. (CAN) LEFT ENGINE STARTER SLIPPING. STARTER REPLACED.
- [SDR CA120423015](https://openairdocs.org/sdr/CA120423015), Mar 6, 2012: FUEL CONTROL. MALFUNCTIONED. (CAN) PILOT REPORTED RT ENGINE ROUGH AT IDLE, RPM OSCILLATIONS FROM 800 TO 1200, MANIFOLD PRESSURE HIGHER THAN NORMAL BY 3-5". FUEL SERVO REPLACED.
- [SDR CA120423018](https://openairdocs.org/sdr/CA120423018), Feb 24, 2012: MAGNETO. FAILED. (CAN) PILOT REPORTED RIGHT ENGINE RT MAGNETO UNSERVICEABLE. MAGNETO REPLACED.
- [SDR CA120209005](https://openairdocs.org/sdr/CA120209005), Jan 31, 2012: DISTRIBUTOR BLK. CHAFED. (CAN) DISTRIBUTOR BLOCK FOUND WITH BUSHING WORN, CAUSING CHAFING ON DISTRIBUTOR BLOCK SPARK PINS. NEW DISTRIBUTOR BLOCK, PN:10-391586 INSTALLED. NEW GEAR, PN:10
- [SDR CA120205001](https://openairdocs.org/sdr/CA120205001), Jan 18, 2012: STARTER. FAILED. (CAN) LEFT ENGINE WOULD NOT TURN OVER. STARTER REPLACED.
- [SDR CA120105003](https://openairdocs.org/sdr/CA120105003), Jan 5, 2012: STARTER. LOOSE. (CAN) DURING A SCHEDULED INSPECTION, THE RT STARTER AFT CASE WAS FOUND LOOSE. THE CASE ATTACH BOLT LOCK TABS WERE STILL ENGAGED, BUT THE BOLTS WERE LOOSE. START
- [SDR CA120209003](https://openairdocs.org/sdr/CA120209003), Dec 7, 2011: POINTS. FAILED. (CAN) BREAKER POINT POPPED MAGNETO.
- [SDR CA111123014](https://openairdocs.org/sdr/CA111123014), Nov 23, 2011: CONTROL CABLE. DAMAGED. (CAN) UPON RIGGING PROP CONTROLS AFTER CABLE REPLACEMENT ON RT ENGINE, FOUND SUSPICIOUS LT PROP CONTROL ATTACHMENT. JOINT ASSEMBLY PN 469-153 WAS RUSTED, BUT MO
- [SDR CA120205002](https://openairdocs.org/sdr/CA120205002), Nov 23, 2011: STARTER. INTERMITTENT. (CAN) RIGHT HAND STARTER INTERMITTENT. REPLACED STARTER.
- [SDR CA111117011](https://openairdocs.org/sdr/CA111117011), Nov 4, 2011: MOUNT. CRACKED. (CAN) DURING SCHEDULED INSPECTION OF RT ENGINE, THE LT UPPER TURBO MOUNT TUBE WAS FOUND CRACKED. TURBO MOUNT REPLACED WITH PN: LW15952. TSN OF REMOVED PART COUL
- [SDR CA120209002](https://openairdocs.org/sdr/CA120209002), Oct 13, 2011: BUSHING. WORN. (CAN) DISTRIBUTOR BLOCK FOUND WITH BUSHING WORN, CAUSING CHAFING ON DISTRIBUTOR BLOCK SPARK PINS. NEW MAGNETO INSTALLED (SN: F09CA093) (TC# 20120209002)
- [SDR CA110926005](https://openairdocs.org/sdr/CA110926005), Sep 22, 2011: ENGINE. FAILED. (CAN) THE ENGINE SUDDENTLY STOP DURING ENGINE GROUND RUN AT HIGH POWER. AFTER INVESTIGATION FOUND THE ENGINE VERY STIFF TO TURN BY HAND. VISUAL INSPECTION OF EN
- [SDR CA110826009](https://openairdocs.org/sdr/CA110826009), Aug 26, 2011: TIRE. DEFLATED. (CAN) ON TAXI PILOT REPORTED HEARING A LOUD NOISE AND DIFICULTY TAXING. UPON FURTHER INVESTIGATION FOUND RT TIRE WAS FLAT. ACFT WAS TAKEN TO HANGAR AMO 60-99 AN
- [SDR CA110512004](https://openairdocs.org/sdr/CA110512004), Apr 9, 2011: PUMP. FAILED. ACFT EXPERIENCED RT PNEUMATIC FAILURE DURING GROUND RUN. RT DRY AIR PUMP REPLACED.
- [SDR CA110216003](https://openairdocs.org/sdr/CA110216003), Feb 11, 2011: HOSE. RUPTURED. GEAR WOULD NOT LOCK DOWN WHEN SELECTED BY PILOT. IT HAD TO BE LOCKED MANUALLY THROUGH HAND PUMP. FOUND HYD SYS FLUID DEPLEATED FROM BURST LT MAIN GEAR UP LOCK H
- [SDR CA110113001](https://openairdocs.org/sdr/CA110113001), Dec 17, 2010: HOUSING. CRACKED. DURING 100 HRS INSP, WE FOUND THE NLG HSG CRACK.
- [SDR CA110103011](https://openairdocs.org/sdr/CA110103011), Nov 14, 2010: ALTERNATOR. WARNING LIGHT. RT ALTERNATOR INOP LIGHT ILLUMINATED. REPLACED ALTERNATOR.

All 249: https://openairdocs.org/engine/lycoming-tio-540-a2c/reports.md

## STCs that may be installed (OpenAirDocs) (31)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc
- [STC SE2667CE](https://openairdocs.org/stc/SE2667CE): Installation of B&C Specialty Products lightweight (10.2 pounds) engine starter PN BC315-100-2(12 volt) or PN BC315-100-4 (24 volt). B & C Specialty Products Inc
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc. Lists TIO-540 Series
- [STC SE7503SW](https://openairdocs.org/stc/SE7503SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision. Continental Motors, Inc. Lists TIO-540 Series
- [STC SE7668SW](https://openairdocs.org/stc/SE7668SW): Installation of parts listed on Drawing List 8810-3, Rev 6. Continental Motors, Inc. Lists TIO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists TIO-540 Series
- [STC SE00226NY](https://openairdocs.org/stc/SE00226NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. Hartzell Engine Technologies, LLC
- [STC SE02436AT](https://openairdocs.org/stc/SE02436AT): Installation of 200F series fuel pump assembly. Kelly Aerospace Energy Systems LLC
- [STC SE445GL](https://openairdocs.org/stc/SE445GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC SE3177NM](https://openairdocs.org/stc/SE3177NM): Installation of Machin, Inc. intercooler & associated systems. American Aviation Inc
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA. Lists TIO-540 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE7674SW](https://openairdocs.org/stc/SE7674SW): Grind nitrided cylinder barrels plus .010 over size pistons, to .010 and install SL10545P10 SL74241P10 compression rings and SL73857P10 Oil Control rings. Superior Air Parts, Inc
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists TIO-540 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists TIO-540 Series
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists TIO-540 Series
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists TIO-540 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists TIO-540 Series
- [STC SA01436DE](https://openairdocs.org/stc/SA01436DE) (historical): Installation of Firewall Forward Technologies, LLC modified camshaft. Centri-Lube Technologies LLC

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