Lycoming IO-540-K1A5
Service difficulty reports · 167
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 = 'IO540K1A5' 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.
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 = 'IO540K1A5' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 1SMA20260615001Brake · burnedDURING TAXI FOLLOWING CONSECUTIVE REJECTED TAKEOFFS, THE AIRCRAFT EXPERIENCED A LANDING GEAR BRAKE FIRE. INVESTIGATION REVEALED THAT THE HEAT GENERATED BY THE CONSECUTIVE ABORTS CAUSED THE CALIPER HYDRAULIC SEAL (P/N: MS28775-222 O-RING) TO MELT AND FAIL. THISSDR 2026FA0000157Dowel Pin · shearedTHE MAGNETO IMPULSE COUPLER LOCKED UP AND BROKE THE GEARS INSIDE THE BACK OF THE ENGINE. THIS SHEARED THE DOWEL PIN IN THE BACK OF THE CRANKSHAFT CAUSING ENGINE STOPPAGE.SDR 2025FA0000541Oil Filter · out of alignmentTEMPEST OIL FILTER FOUND DEFECTIVE AT INSPECTION. NEW OIL FILTER HAS A MANUFACTURING DEFECT. THE MOUNT THREADS ARE NOT TRUE TO CENTERLINE OF THE FILTER. THIS IS A SPIN ON OIL FILTER. WHEN INSTALLING IT IS EASY TO SEE THAT IT IS NOT TRUE SO IT WOBBLES WHILESDR 2025FA0000542Oil Filter · defectiveTEMPEST OIL FILTER PN AA48109 FOUND DEFECTIVE AT INSPECTION. NEW OIL FILTER HAS A MANUFACTURING DEFECT. THE MOUNT THREADS ARE NOT TRUE TO CENTERLINE OF THE FILTER. THIS IS A SPIN ON OIL FILTER. IT IS A PMA PART AND MFG. AND SOLD IN THE USA. WHEN INSTALLINSDR ENHA20241205001Cylinder · crackedDURING PREFLIGHT PILOT NOTICED THE ENGINE HAD AN OIL LEAK. MAINTENANCE INSPECTED AND DETERMINED THAT THE CRANKCASE NEAR NUMBER 6 CYLINDER WAS CRACKED NEAR THE FORWARD UPPER CYLINDER HOLD DOWN STUD.SDR 1SMA20210916001Rocker Cover · leakingDURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM CYLINDER #5 ROCKER BOX COVER AREA WAS DISCOVERED ON RAISED "LYCOMING" STAMPED. FURTHER INSPECTION WITH A 10X MAGNIFYING GLASS CONFIRMED THE STAMPED AREA TO SDR 1SMA20210628001Rocker Cover · leakingDURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM CYLINDER #4 ROCKER BOX COVER AREA WAS DISCOVERED ON RAISED "LYCOMING" STAMPED. FURTHER INSPECTION WITH A 10X MAGNIFYING GLASS CONFIRMED THE STAMPED AREA TO SDR 1SMA20210601001Rocker Cover · leakingDURING A SCHEDULED MAINTENANCE INSPECTION OF THE ENGINE ROCKER BOX COVERS, EVIDENCE OF OIL SEEPING FROM THE CYLINDER #5 ROCKER BOX COVER AREA WAS DISCOVERED ON RAISED "LYCOMING" STAMPED. FURTHER INSPECTION WITH A 10X MAGNIFYING GLASS CONFIRMED THE STAMPED ARESDR 1SMA2021040501Rocker Cover · leakingDURING A SCHEDULED VISUAL INSPECTION OF THE ENGINE, EVIDENCE OF OIL SEEPING FROM THE CYLINDER ROCKER BOX COVER AREA WAS DISCOVERED ON TWO CYLINDERS. USING SOAP BUBBLES AND AIR, OIL SEEP WAS ISOLATED TO SEVERAL SMALL PIN HOLES AROUND THE RAISED STAMPED AREA ON SDR 2020F00282Cylinder Head · crackedPILOT NOTICED BURNING SMELL AND A SPIKE IN OIL TEMPERATURE. PILOT LANDED AT NEAREST AIRPORT. MECHANIC FOUND CRACKED CYLINDER.SDR 2020FA0000239Nut · missingCREW BEGAN FLIGHT TRAINING TO GET RE QUALIFIED FOR GA8. AFTER COMPLETING PRACTICE MANEUVERS,CREW PROCEEDED TO AKIACHAK TO DO SPOT LANDING WITH CROSSWIND. AFTER THIRD LANDING EXECUTED A FULL STOP WITH TAXI BACK. AFTER A NORMAL DEMONSTRATED SOFT TAKEOFF, TRAINEESDR 1SMA202004021Spar · corrodedDURING A SCHEDULED INSPECTION OF THE MAIN WING SPAR PER PIPER'S PA-32-300 SERVICE MANUAL SPECIAL INSPECTION REQUIREMENTS AND AFT WING SPAR PER PIPER SERVICE BULLETIN 1244C ON LEFT AND RIGHT WINGS, ONE RIVET WAS FOUND TO BE MISSING FROM THE RIGHT AFT WING SPAR SDR ENHA201911190001Float Valve · malfunctionedPILOT WAS DOING IOE, ON THE WAY BACK FROM CYF TO BET CREW NOTICE ONLY FUEL WAS ONLY COMING OUT OF R/H FUEL TANK.R/H FUEL TANK WENT FROM 1/2 TO 1/4 IN 10 MINUTES AT CRUISE. CREW DECIDED TO DO AN UNSCHEDULED LANDING AS THEY WERE 12 MINUTES OUT OF BET. THEY LANDESDR ENHA2019100400001Transfer Sys · malfunctionedPILOT STATED BEFORE LEEAVING, TOPPED OFF THE TANKS. DURING FLIGHT, NOTICED THE FUEL TANKS WERE FEEDING UNEVENLY. FURTHER INTO THE FLIGHT THE PROBLEM DID NOT CORRECT ITSELF AND THE IMBALANCE GOT WORSE. ON THE FINAL LEG THE LEFT TANK FUEL GAUGE WAS INDICATINSDR ENHA2019072500001Spark Plug · fouledLOSS OF RPM ON CLIMB. MX DETERMINED CAUSE WAS FOULED SPARK PLUG.SDR ENHA2019072500002Spark Plug · fouledLOSS OF RPM ON CLIMB. MX DETERMINED CAUSE WAS FOULED SPARK PLUG.SDR T72A20190411001Crankshaft · brokenPILOT REPORTED, ENGINE MADE A LOUD NOISE THEN LOST POWER AND STOPPED TURNING. AIRCRAFT WAS FORCED TO MAKE A LANDING IN SEMI-FROZEN TUNDRA AND FOLDED THE NOSE GEAR, FOLDED RIGHT HAND MAIN LANDING GEAR, AND BROKE LEFT HAND MAIN LANDING GEAR AXLE. ENGINE TEAR DOWSDR 2019FA0000077Gasket · looseVALVE COVER GASKET LEAKING.SDR 2018FA0000147Rivet · shearedLEFT MAGNETO IMPULSE COUPLING FAILED. . AD 99-04-04 APPLIES TO THIS MAGNETO ENGINE COMBINATION. INTERVAL FOR REPETITIVE INSPECTIONS IS 250 HRS. MAGNETO HAD BEEN RECENTLY REPLACED WITH A REBUILT UNIT AND HAS A NEW IMPULSE COUPLING. THE IMPULSE COUPLING SHEARESDR 9QFR20180427001Impulse Coupling · brokenTHE AIRCRAFT WOULD NOT START. TROUBLESHOT THE SYSTEM AND FOUND THE MAGNETO IMPULSE COUPLING HAD BROKEN AND THAT THE PROP WOULD NO LONGER TURN THE ACCESSORY GEARS ON THE BACK OF THE ENGINE.SDR 1SMA201710310001Magneto · malfunctionedAFTER INITIATING TAKEOFF ROLL BY ADVANCING THROTTLE FULL FORWARD, PILOT NOTED LESS THAN NORMAL POWER AND VERIFIED MAXIMUM RPM ACHIEVED WAS 2000 RPM. PILOT REJECTED TAKEOFF AND RETURNED TO GATE. POST FLIGHT RUN-UP REVEALED ROUGH RUNNING ENGINE ABOVE 1,200 RPMSDR 1SMA201707161Joint · failedAFTER TAKING OFF AND SETTING CLIMB POWER, PILOT NOTED THROTTLE MOVEMENT HAD NO IMPACT ON MANIFOLD PRESSURE SETTING AND HE WAS UNABLE TO CONTROL THE ENGINE POWER WITH THE THROTTLE. UPON DISCOVERY, PILOT DECLARED AN EMERGENCY AND ASKED TO LAND ON A RUNWAY TEMPOSDR N3N2016060700001Coil · failedMAGNETOS 6393 & 6350 AND SPARK PLUGS REM38E . THESE MAGNETOS ARE CONSISTENT AT FAILING. WE HAD TO KEEP 2 SPARES OF EACH MAGNETO ON THE SHELF AND SPAR INTERNAL REPLACEMENT PARTS JUST TO KEEP OPERATING. IT WAS NOT UNCOMMON TO HAVE TO REPLACE A BRAND NEW MAG ASDR CA150623005Oil Cooler · leaking(CAN) PILOT FLEW AIRCRAFT ON AN HOUR FLIGHT AND WHEN PUSHING HIS AIRCRAFT BACK INTO HIS HANGAR, NOTICED LARGE AMOUNTS OF OIL ON THE LOWER PART OF THE COWLING AND DRIPPING ON THE GROUND. HE HAD NO INDICATIONS OF PROBLEMS DURING HIS FLIGHT. AFTER REMOVING THE TOSDR 2014FA0000548Bolt · brokenDURING CRUISE FLIGHT, THE ENGINE QUIT WITHOUT WARNING. ACFT MADE AN OFF FIELD LANDING WITH NO DAMAGE TO THE ACFT. DURING MX, NOTED THAT THE VACUUM PUMP COUPLING WAS NOT SPINNING EVEN THOUGH IT WAS NOT SHEARED. THE RT MAGNETO WAS REMOVED AND IT WAS CONFIRMSDR 2014F00138Magneto · faultedPILOT REPORTED THAT DURING TAKEOFF ROLL, ENGINE DID NOT SEEM TO BE PRODUCING FULL POWER AND WASN'T REACHING MAX RPM. TAKEOFF ABORTED AND DURING TAXI TO TERMINAL, PILOT PERFORMED MAGNETO CHECK AT LOW RPM. DETERMINED THAT ENGINE WOULD NOT RUN WHEN LT MAGNETO WSDR 2013FA0000436Pump · leakingPRESENCE OF FUEL NOTED ON AFT PORTION OF NOSE WHEEL FAIRING AS ACFT WAS SHUTDOWN. ON RESTART, STEADY STREAM OF FUEL WAS SEEN LEAKING FROM THE LOWER COWLING, ENGINE ROUGHNESS WAS NOTED, AND FUEL PRESSURE INDICATOR FLUCTUATED. INVESTIGATION REVEALED THAT THE LSDR 2012FA0000833Magneto · out of sequencePILOT REPORTED THAT SHORTLY AFTER TAKEOFF, FELT A SURGING, BUT DID NOT SEE ANY APPRECIABLE INDICATION ON THE RPM, MANIFOLD PRESSURE OR FUEL FLOW INDICATORS. ON DOWNWIND LEG AFTER DEPARTURE, NOTICEABLE LOSS OF POWER OCCURRED WITH A CORRESPONDING LOSS OF RPM.SDR CA130108001Spinner · cracked(CAN) PROP WAS IMPROPERLY INSTALLED DURING NEW PROP INSTALLATION. DURING WALK ROUND INSPECTION OWNER FOUND CRACK IN THE SPINNER. UPON SPINNER REMOVAL PROPELLER WAS FOUND LOOSE. THE BLADES COULD BE WIGGLED FORWARD AND BACK APPROXIMATLY 5". SIGNIFICANT DAMAGSDR CA120910002Spinner · cracked(CAN) SPINNER DOME CRACKED. THIRD CRACKED DOME IN 2 YEARS. MFG WELL AWARE OF PROBLEM.SDR 2012F00139Cap · failedPILOT MADE AN IMMEDIATE RETURN TO AIRPORT AND UNSCHEDULED LANDING AFTER ENCOUNTERING ROUGH RUNNING ENGINE AND PARTIAL LOSS OF RPM AT APPROX 500 FEET AGL, AFTER TAKEOFF, WHILE SETTING CLIMB POWER AND FUEL FLOW. FUEL FLOW INDICATION ERRATIC, FUEL PRESSURE APPESDR 2012F00132Crank Assy · brokenPRIOR TO EVENT FLIGHT PILOT REPORTED AN UNUSUAL SOUND WHILE ON APPROACH TO LAND. THE ENGINE FAILED 35 MINUTES INTO A 40 MINUTE FLIGHT. THE PILOT PULLED THE THROTTLE IMMEDIATELY ONCE THE ENGINE BEGAN TO VIBRATE AND CONTINUED TO SECURE THE ENGINE AND ACFT FOR ASDR 1SMA2012FA0000032Tire · defectiveWHILE SECURING ACFT AFTER FLIGHT, PILOT REPORTED RT MAIN TIRE WAS FLAT. INVESTIGATION REVEALED THAT ONE COMPLETE SECTION OF TREAD HAD DEBONDED AND COME OFF OF TIRE AND WRAPPED AROUND MAIN WHEEL FAIRING SUPPORT CAP ON AXLE END, CAUSING DAMAGE TO THE TUBE VALVESDR 2012FA0000589Brushes · failedON DEPLOYING LANDING GEAR, COULD NOT GET A NOSE GEAR INDICATION. RAN THROUGH EMERGANCY PROCEDURES SEVERAL TIMES TO NO AVAIL (ALSO NOTED GEAR WOULD NO LONGER RETRACT). PERFORMED LANDING AND ON ROLL OUT, NOSE GEAR COLLAPSED. POST INCIDENT INSPECTION REVEILED SDR CA110401009Lifter · failed(CAN) NEW LIFTER BODY BROKE UP DURING TEST RUN AFTER ENGINE O/H. MFG HAS REQUESTED THAT THE BROKEN LIFTER BODY BE SHIPPED TO THEM.SDR 2010FA0001113Capacitor · failedPILOT REPORTED WILD AND ERRATIC READINGS ON THE GRAPHIC ENGINE ANALYZER (EIUBG-16( AND LOUD STATIC IN THE HEADSETS THROUGH THE RADIOS. TROUBLESHOOTING REVEALED THE CAPACITOR IN THE LT MAGNETO HAD FAILED CREATING ARCING AT THE POINTS AND SUBSEQUENT RF NOISE AFSDR 2010FA0000156Diaphragm · leakingCUSTOMER REPORTED ROUGH RUNNING ENGINE. FOUND FUEL FLOW DIVIDER ON ENGINE WAS LEAKING FUEL FROM DIAPHRAGM. HAD UNIT O/H AND FOUND PART TO ORIGINAL JAN 1967 PART. PART HAD NOT BEEN O/H IN 43 YEARS.SDR FFKA142Line · crackedPILOT REPORTED A VERY STRONG ODOR OF FUEL INSIDE OF COCKPIT AND THAT SHORTLY AFTER TAKEOFF THE FUEL PRESSURE GAUGE HAD SUDDENLY DROPPED INTO THE BOTTOM SIDE OF THE YELLOW RANGE. EVEN WITH THE APPLICATION OF THE ELECTRIC AUXILIARY FUEL PUMP THE PRESSURE DID NOSDR 2009F00056Crankcase · crackedA 5-6 IN CRACK DEVELOPED IN CRANKCASE HALF JUST FWD OF THE NR 6 CYL BETWEEN THE OIL DIPSTICK AND THE TOP LT THRU BOLT ON THE NR 6 CYL. OIL WAS DISCOVERED IN THAT AREA AND THE ENG WAS WASHED AND CLEANED AND THEN DYE PENETRANT WAS SPRAYED AND THE CRACK WAS DISCSDR CA090310005Spar · cracked(CAN) LOWER FWD RUDDER SPAR FOUND CRACKED. CRACKS FOUND STEMMING FROM THE 2 RIVETS USED TO ATTACH RUDDER HORN.SDR OVF2008F00000Brushes · wornTHIS IS AN UPDATE OF A SDR FILED 15 APRIL, 2008. MAGNETOS, FUEL PUMP, AND FUEL INJECTOR SERVO WERE SENT TO THE RESPECTIVE OEM`S. MAGNETOS WERE SENT TO MFG FOR ANALYSIS. THEY WERE SENT AS REMOVED TO PRECLUDE ANY FIELD CONTAMINATION. THEY WERE NOT PRODUCING SPASDR OVF2008F00001Brushes · wornAIRCRAFT EXPERIENCED AN ENGINE FAILURE. ATTEMPTS TO RESTART ENGINE FAILED AND SAFE LANDING WAS ACCOMPLISHED. CAUSE OF FAILURE REMAINS UNKNOWN AT THIS TIME. MAGNETOS FUEL PUMP, AND FUEL INJECTOR SERVO WERE SENT TO THE RESPECTIVE OEM`S. THE MAGNETOS WERE SENT SDR 2008F00016Engine · failedAIRCRAFT EXPERIENCED AN ENGINE FAILURE. ATTEMPTS TO RESTART ENGINE FAILED AND A SAFE LANDING WAS ACCOMPLISHED. CAUSE OF FAILURE REMAINS UNKNOWN AT THIS TIME. (K)SDR FFKA121Governor · malfunctionedPILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF AND HAD NO CONTROL OF THE PROPELLER GOVERNOR. PILOT REDUCED ENGINE POWER TO KEEP RPMS BELOW REDLINE AND THEN COULD NOT MAINTAIN ALTITUDESDR FFKA120Governor · malfunctionedPILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF PILOT HAD NO CONTROL OF THE PROPELLER GOVERNOR. PILOT REDUCED ENGINE POWER TO KEEP RPMS BELOW REDLINE AND THEN COULD NOT MAINTAIN ALTITUSDR 2007FA0000883Axle · brokenON TAXI TO TAKEOFF, AC TURNED AROUND AFTER BACK TAXI. PIVOTING ON LT M/G. SIDE LOAD BROKE AXLE AT END OF DRILLED OUT CENTER. EVIDENCE OF PREVIOUS CRACKING FROM INSIDE OB. (K)SDR HN8R200700001Screen · contaminatedFOUND 2 PIECES OF METAL IN THE OIL SUMP SUCTION SCREEN DURING ANNUAL INSPECTION. ONE PIECE LOOKS LIKE A DRILLED OUT HELI COIL .5 INCH LONG X .25 WIDE AND THE OTHER LOOKS LIKE A PIECE OF CASTING .2 LONG X .125 WIDE. THE ENGINE WILL BE REMOVED AND SENT OUT FORSDR HN8R200600001Servo · defectiveNOSE DOWN AUTO TRIM INOP WAS REPORTED BY PILOT. TROUBLESHOOTING REVEALED THE AUTOPILOT COMPUTER WAS NOT RECEIVING INPUT CALLING FOR NOSE DOWN TRIM FROM THIS PITCH SERVO.SDR CA061026004Indicator · burned(CAN) PILOT REPORTED MALFUNCTION OF PITOT HEAT BREAKER SWITCH, UPON INSPECTION, CIRCUIT BOARD ATTACHED TO BACK OF SWITCH WAS FOUND BADLY BURNT AND END OF WIRE CONNECTION FROM THE PITOT TO THE POWER SWITCH WAS FOUND OVERHEATED. MAIN PITOT WAS REPAIRED. THE CISDR 2006FA0001059Lifter · brokenLIFTER BROKE. (K)
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