Lycoming TIO-540-A2C

Service difficulty reports · 249

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'TIO540A2C'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2026FA0000026Transmitter · defectivePILOTS 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 UMA FUEL PRESSURE SENDER, P/N T1EU100D, S/N B0197, IN THE RIGHT NACELLE. IT ONLY LASTED 103 HOURS OJan 15, 2026 · N61490 · Piper PA31 · Fuel Pressure IndicatingSDR CA190711008Lamp · 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 REPLACED AFTER LANDING. VENDOR NOTIFIED (TC# 20190711008)Jul 10, 2019 · Piper PA31 · Navigation SystemSDR CA190801010Strut · 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 THAT ALLOWED THE HYDRAULIC FLUID AND NITROGEN TO LEAK OUT ON LANDING. THE LANDING GEAR HOUSING WAS REPLJul 1, 2019 · Piper PA31 · Main Landing Gear Strut/Axle/TruckSDR CA190627005Drive Shaft · leaking(CAN) LEAKING FROM DRIVE SHAFT SEAL AND SHAFT WORN (TC# 20190627005)Jun 20, 2019 · Piper PA31 · Engine Fuel PumpSDR CA150915004Pump · 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 LINE TO END UP IN THE INDUCTION SYSTEM. A NEW FUEL PUMP INSTALLED AND FOUND SERVICEABLE.Sep 15, 2015 · Piper PA31 · Engine Fuel PumpSDR CA150623003Line · punctured(CAN) LT ENGINE OIL PRESSURE INDICATOR LINE PUNCTURE FROM CHAFING.Jun 14, 2015 · Piper PA31 · Engine Oil Indicating SystemSDR CA150610004Tire · 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.Jun 8, 2015 · Piper PA31 · TireSDR CA150704001Engine · 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. 1759.8 HRS TSOH, 107.2 MONTHS SOH. REMOVE RT ENG NR 4 & 6 CYLINDERS, ENG SN RL-9515-61A, TO INSPJun 6, 2015 · Piper PA31 · Engine (Reciprocating)SDR CA150608004Distributor Blk · damaged(CAN) DEAD MAG AT RUN-UP. MAGNETO REMOVED, DISASSEMBLED, & INSPECTED. FOUND LATERAL MOVEMENT OF DISTRIBUTOR ROTOR, ROTOR POINT CONTACTING DISTRIBUTOR HOUSING POINTS. THE ROTOR GUIDE, METAL BUSHING IN THE PLASTIC DISTRIBUTOR HOUSING BODY THAT THE DISTRIBUTORJun 5, 2015 · Piper PA31 · Magneto/DistributorSDR CA150527001Plate · cracked(CAN) RIGHT ENG TURBO SUPPORT BRACKET CRACKED.May 22, 2015 · Piper PA31 · Exhaust TurbochargerSDR 2015FA0000162Landing Gear · lack of lubeNOSE 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 NEW LUBE INTERVALS 25 HR R & R MOST BOLTS AND BUSHINGS ON NOSE GEAR DUE TO RUSTApr 27, 2015 · N27987 · Piper PA31310 · Nose/Tail Landing GearSDR CA140909010Bearing · 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 THREADED SHAFT SHEARED OFF AT THE END OF THE NLG ACTUATOR. NO HARD LANDINGS AND 3 GREEN LIGHT ON THE LANDAug 28, 2014 · Piper PA31310 · Landing Gear ActuatorSDR CA141219002Combust 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 A CRACK IN THE COMBUSTION CHAMBER INTERCONNECTION BETWEEN INNER & OUTER SECTION. THE FAIL UNIT WASMar 26, 2014 · Piper PA31 · Heating SystemSDR CA131120009Control 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 LOCATED WHERE THE CABLE GOES OVER THE BELLCRANK. CABLE REPLACED.Oct 17, 2013 · Piper PA31 · Elevator Control SystemSDR CA131120010Servo · malfunctioned(CAN) RT ENGINE WOULD NOT PRODUCE MORE THAN 2000 RPM DURING RUN-UP. FUEL INJECTION SERVO REPLACED.Oct 8, 2013 · Piper PA31 · Fuel Injector NozzleSDR CA130912002Tailpipe · cracked(CAN) FOUND RT TOP TURBOCHARGER TAIL PIPE CRACKED.Sep 10, 2013 · Piper PA31 · Engine Collector/Tailpipe/NozzleSDR CA131021022Motor · 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 NOTED. FLAP MOTOR REPLACED.Aug 22, 2013 · Piper PA31 · Trailing Edge Flap Control SystemSDR CA130712004Bracket · cracked(CAN) LEFT MLG DOOR ACTUATOR HOLDING BRACKET CRACKED.Jul 11, 2013 · Piper PA31 · Fuselage Main, Attach FittingsSDR CA130712005Bracket · cracked(CAN) LEFT MLG DOOR ACTUATOR HOLDING BRACKET CRACKED.Jul 11, 2013 · Piper PA31 · Fuselage Main, Attach FittingsSDR CA130530005Bolt · 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)May 16, 2013 · Piper PA31 · Wing SparSDR CA130424001Lifter · corroded(CAN) FIVE LIFTERS FOUND PITTED AND 1 LOB OF THE CAM WORN.Apr 23, 2013 · Piper PA31 · Reciprocating Engine Power SectionSDR CA130419001Exhaust 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 REMOVED AND FOUND TO HAVE ERRODED FROM THE INSIDE AND HAD SEVERAL CRACKS. UPPER AND LOWER TAIL PIPE, PN Apr 17, 2013 · Piper PA31 · Engine Collector/Tailpipe/NozzleSDR CA130306010Pump · malfunctioned(CAN) LEFT VACUUM PUMP REPORTED INOPERATIVE BY PILOT. VACUMM PUMP REPLACED.Mar 3, 2013 · Piper PA31 · Vacuum Distribution SystemSDR CA130220011Trunnion · 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 DIFFERENTIAL ENGINE POWER TO STEER PUTTING STRAIN ON THE TRUNNION STOPS.Feb 18, 2013 · Piper PA31 · Fuselage, Landing Gear Attach FittingsSDR CA130116013Bulkhead · 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 CABLES TO BE LOOSE. REPAIRED PEDESTAL BULKHEAD, PN: 43179-000.Jan 2, 2013 · Piper PA31 · Rudder Control SystemSDR CA130104004Rheostat · 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 WHICH CAME WITH THE HEATER. OVER THE LAST FEW MONTHS WE HAVE HAD 3 FAILURES OF THE UNIT. IT APPEARDec 31, 2012 · Piper PA31 · Cabin Temperature Control SystemSDR CA120815009Magneto · leaking(CAN) MAGNETO FOUND LEAKING. MAGNETO REPLACED.Aug 4, 2012 · Piper PA31 · Magneto/DistributorSDR CA120815008Motor · loose(CAN) DURING DETAILED INSPECTION OF THE ACFT THE STARTER MOTOR WAS FOUND TO BE LOOSE. STARTER REPLACED.Jul 20, 2012 · Piper PA31 · Engine StarterSDR CA120706002Bulkhead · cracked(CAN) DURING 100 HRS INSPECTION LT SPINNER BACK PLATE FOUND CRACKED.Jul 4, 2012 · Piper PA31 · Propeller Spinner SectionSDR CA120514006Attach 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 WITH A 10X POWER MAGNIFYING GLASS. A POSSIBLE CRACK WAS NOTICED, FURTHER INVESTIGATION CONFIRMED THEMay 14, 2012 · Piper PA31 · Landing Gear ActuatorSDR CA120511005Mount · broken(CAN) TURBO MOUNT LT UPPER TUBE FWD OF TURBO ATTACHMENT FOUND BROKEN DURING REGULAR INSPECTION.May 10, 2012 · Piper PA31 · Exhaust TurbochargerSDR CA120517002Magneto · malfunctioned(CAN) PILOT REPORTED A 200 RPM DROP DURING MAG CHECK OF RT MAGNETO ON RT ENGINE. MAGNETO REPLACED.Apr 29, 2012 · Piper PA31 · Magneto/DistributorSDR CA120509010Wastegate Valve · leaking(CAN) WASTEGATE FOUND LEAKING. WASTEGATE REPLACED.Apr 17, 2012 · Piper PA31 · Water and Waste SystemSDR CA120423020Starter · slipped(CAN) LEFT ENGINE STARTER SLIPPING. STARTER REPLACED.Apr 10, 2012 · Piper PA31 · Engine StarterSDR CA120423015Fuel 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.Mar 6, 2012 · Piper PA31 · Fuel Control/Reciprocating EnginesSDR CA120423018Magneto · failed(CAN) PILOT REPORTED RIGHT ENGINE RT MAGNETO UNSERVICEABLE. MAGNETO REPLACED.Feb 24, 2012 · Piper PA31 · Magneto/DistributorSDR CA120209005Distributor 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:10-349237 INSTALLED. MAGNETO RETURNED TO SERVICE.Jan 31, 2012 · Piper PA31 · Magneto/DistributorSDR CA120205001Starter · failed(CAN) LEFT ENGINE WOULD NOT TURN OVER. STARTER REPLACED.Jan 18, 2012 · Piper PA31 · Engine StarterSDR CA120105003Starter · 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. STARTER WAS REMOVED AND REPLACED WITH A SERVICEABLE SPARE.Jan 5, 2012 · Piper PA31 · Engine StarterSDR CA120209003Points · failed(CAN) BREAKER POINT POPPED MAGNETO.Dec 7, 2011 · Piper PA31 · Magneto/DistributorSDR CA111123014Control 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 MOST UNUSUAL WAS THAT A FIBRE LOCK NUT WAS USED AS SECURING DEVICE AND THAT THREADS WERE WELL BELOW FNov 23, 2011 · Piper PA31 · Propeller SystemSDR CA120205002Starter · intermittent(CAN) RIGHT HAND STARTER INTERMITTENT. REPLACED STARTER.Nov 23, 2011 · Piper PA31 · Engine StarterSDR CA111117011Mount · 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 COULD NOT BE DETERMINED.Nov 4, 2011 · Piper PA31 · Exhaust TurbochargerSDR CA120209002Bushing · worn(CAN) DISTRIBUTOR BLOCK FOUND WITH BUSHING WORN, CAUSING CHAFING ON DISTRIBUTOR BLOCK SPARK PINS. NEW MAGNETO INSTALLED (SN: F09CA093) (TC# 20120209002)Oct 13, 2011 · Piper PA31 · Magneto/DistributorSDR CA110926005Engine · 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 ENGINE & OIL FILTER CARRIED OUT NO DEFECT FOUND. ENGINE WILL BE REMOVED AND SEND TO O/H SHOP FOR INSep 22, 2011 · Engine (Reciprocating)SDR CA110826009Tire · 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 AND TIRE WAS REMOVED. THE CAUSE OF THE FLAT TIRE WAS THE INBD RIM WAS SPLIT ALONG THE BEAD.Aug 26, 2011 · Piper PA31 · TireSDR CA110512004Pump · failedACFT EXPERIENCED RT PNEUMATIC FAILURE DURING GROUND RUN. RT DRY AIR PUMP REPLACED.Apr 9, 2011 · Piper PA31 · Pneumatic Distribution SystemSDR CA110216003Hose · rupturedGEAR 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 HOSE. FOUND HYD SYS HOSES IN LANDING GEAR SYS APPEARED TO BE ORIGINAL, INSTALLED AT TIME OF ACFT MFGFeb 11, 2011 · Piper PA31 · Hydraulic System, MainSDR CA110113001Housing · crackedDURING 100 HRS INSP, WE FOUND THE NLG HSG CRACK.Dec 17, 2010 · Piper PA31 · Nose/Tail Landing GearSDR CA110103011Alternator · warning lightRT ALTERNATOR INOP LIGHT ILLUMINATED. REPLACED ALTERNATOR.Nov 14, 2010 · Piper PA31 · AC Generator-Alternator
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