JASC 8500
Service difficulty reports · 745
Reports filed under 8500 · Engine (Reciprocating), newest first.
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 jasc_code = '8500' 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 jasc_code = '8500' 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 QMLA2026101320078Synchrophaser · out of adjustLEFT PROP LEVER ACTING LIKE IT WAS HOOKED UP BACKWARDS. PUSHING THE LEVER FORWARD INCREASED RPM, AND VICE VERSA. ADJUSTED LT ENGINE PROPELLER SYNCHROPHASER MAGNETIC PICKUPS IAW KING AIR B200GT AMM 61-23-01. PERFORMED REQUIRED FUNCTIONAL GROUND CHECKS. NO FAULTSDR 2026FA0000693Engine · fodDURING THE DISASSEMBLY OF ENGINE MM03 (ESN : 577403), THE MECHANIC DISCOVERED A FOD INSIDE THE ENGINE. A 5/16 WRENCH WAS FOUND SEVERELY CRUSHED AND JAMMED BETWEEN THE SM53 INNER AIR SEAL AND THE SM54 DISK.SDR 2026FA0000681Gascolator · dirtyPILOT REPORTED LOW POWER AND VIBRATION ON TAKEOFF AND ABORTED TAKEOFF. CLEANED GASCOLATOR AND AGGRESSIVELY FUEL TANKS AND BELLY SUMPS. NO WATER WAS PRESENT. VERIFIED PROPELLER TORQUE AND CHECKED DYNAMIC BALANCE DUE TO A RECENT PROPELLER INSTALLATION. PROPELLERSDR N3XR 08 13Crankcase · puncturedLEFT ENGINE OIL LEAK ON TAKEOFF WITH WHITE SMOKE, CREW FEATHERED AND LANDED. DURING INSPECTION, A HOLE WAS FOUND IN THE CRANKCASE, AND ANOTHER LOCATION SHOWED A FRACTURED CASE. THE ENGINE WAS DISASSEMBLED, AND A CRANKSHAFT BOLT E4A-10-100-202 WAS FOUND TO HAVESDR 2026FA0000594Cylinder Head · crackedNUMBER 3 CYLINDER OIL LEAK. STILL LEAKING AFTER REPLACING ROCKER BOX GASKETS AND PUSHROD TUBE SEALS. DETAILED VISUAL INSPECTION REVEALED A 2.5 INCH CRACK IN THE WEBBING SUPPORT BETWEEN THE TWO ROCKER BOXES. CYLINDER REMOVED AND REPLACED WITH NEW.SDR 141A2026062900001Engine · faultedDURING CLIMB TO CRUISE, PASSING THROUGH 6000 TO 8000 FT THE ENGINE ITT WAS AT 740, WITH THE POWER BEING SET AT ONLY 1200LBS OF TORQUE. WE WERE ONLY ABLE TO MAINTAIN CLIMB RATE OF 200-300 FPM WITH AIRSPEED AT 95-100 INDICATED KNOTS. AT CRUISE ALTITUDE OF 8000FTSDR 2026FA0000501Vent Line · faultedTHIS IS AN AMPHIBIAN DESIGN WITH THE ENG MOUNTED ABOVE THE WING. THE SEAMAX M22 HAS HAD ENGINE FIRES. THERE ARE A TOTAL OF 5 FUEL VENT LINES THAT EXHAUST INTO THE ENGINE NACELLE. 2 COME FROM THE RIGHT WING TANK, 2 COME FROM THE LEFT WING TANK, AND 1 COMES FROSDR 2026FA0000407Engine · failedDURING A SOLO CROSS-COUNTRY FLIGHT, THE PILOT EXPERIENCED A SUDDEN ENG MALFUNCTION WHILE CRUISING AT APPROX 4,500 FT MSL NEAR KCSQ. THE ENGINE BEGAN OPERATING EXTREMELY ROUGH, ACCOMPANIED BY A FLASHING LANE A WARNING INDICATION & MULTIPLE INSTRUMENT DISPLAY FASDR 2026FA0000597Engine · failedCOMPLETE LOSS OF POWER IN CRUISE FLIGHT, AIRCRAFT WAS DITCHED AND UNRECOVERABLE.SDR 2026FA0000212Engine · making metalDURING THE ENGINE OVERHAUL, UNDER THE DISASSEMBLY PROCESS, WE FOUND A MOUNTED EXTERNAL SPIN-ON OIL FILTER. HOWEVER, THE ENGINE STILL RETAINED ITS ORIGINAL INTERNAL MESH OIL FILTER. THE ORIGINAL FILTER CONTAINED A SIGNIFICANT AMOUNT OF OIL SLUDGE, DEPOSITS, ANDSDR HYIA20260327004Engine · making metalPILOT REPORTED LEFT ENGINE LOW OIL PRESSURE, WHICH DROPPED INTO THE RED DURING LANDING. MAINTENANCE INSPECTED AND FOUND METAL CONTAMINATION IN THE LEFT ENGINE AND OIL POOLING IN 5 OUR OF 6 CYLINDERS. THE ENGINE WAS REPLACED WITH NO FURTHER DEFECTS NOTED.SDR N3XR202510300002Dampener · failedDURING TROUBLESHOOTING FOR LOW POWER OUTPUT, THE TORSIONAL VIBRATION DAMPER WAS FOUND DAMAGED, WITH SEVERAL BROKEN PIECES MISSING FROM IT. IT WAS ALLOWING SLIPPAGE WHILE DRIVING THE PROPELLER.SDR 2025FA0000573Nut · mismanufacturedWE ARE SEEING ISSUES WITH NEW SL12186 CONNECTING ROD BOLTS DURING INSTALLATION. THE ROD NUTS "WOBBLE" DURING INSTALLATION AND DO NOT SEAT FLUSH AFTER INSTALLATION. IT APPEARS THAT THE THREADS WERE MACHINED OFF CENTER.SDR 2025FA0000558Engine · power lossPARTIAL POWER LOSS ON TAKEOFF. REJECTED TAKEOFF LEFT SIDE. PERFORMED A VISUAL INSPECTION OF BOTH ENGINES WITH NO DEFECTS NOTED. PERFORMED ENGINE PERFORMANCE GROUND RUNS WITH NO ISSUES FOUND DURING RUNS. ALL PARAMETERS WITHIN LIMITS. AIRCRAFT TEST FLIGHT GOOD NSDR 2025F00229Engine · failedFLT NUMBER: DVR023, ENGINE FAILURE AND EMERGENCY LANDING. SHORTLY AFTER DEPARTURE FROM BON, THE CREW EXPERIENCED A LOSS OF FUEL PRESSURE AND OBSERVED A DECREASING OIL PRESSURE ON THE LEFT-HAND (LH) ENGINE. DUE TO THESE CRITICAL INDICATIONS, A PRECAUTIONARY SHSDR 2025FA0000516Engine · auto shutdownAIRCRAFT AND CREW EXPERIENCED ENGINE ROUGHNESS AND THE ENGINE QUITTING WHILE IN FLIGHT. THE CREW AND AIRCRAFT MADE AN UNPOWERED SAFE LANDING AT KARR (HOME AIRPORT). INITIAL INSPECTION FOUND THAT THE PROP WAS FREEWHEELING WITH NO RESISTANCE. NR 3 CYLINDER HAD ASDR UOIA202507020001Idler Gear · damagedPILOT REPORTED THAT DURING CRUISE FLIGHT FROM TJIG TO TJCP LEFT ENGINE OIL PRESSURE STARTED DROPPING AND AFTER A FEW SECONDS PROPELLER FETHERED BY ITSELF AND ENGINE SHUT DOWN. PILOT PERFORMED ENGINE FAILURE PROCEDURE AS PER FLIGHT MANUAL AND DIVERTED TO TJRV ASDR 2025FA0000218Engine · power lossWHILE IN STRAIGHT AND LEVEL FLIGHT PILOT REPORTED THE ENGINE RPM REDUCED SIGNIFYINGLY RESULTING IN POWER LOSS. AFTER A BRIEF TIME THE ENGINE RPM BEGAN TO OPERATE NORMALLY AND POWER WAS RESTORED. PILOT LANDED WITHOUT INCIDENT. TROUBLESHOOTING COULD NOT DUPLISDR 2025FA0000217Engine · power lossON TAKE-OFF THE ENGINE LOST POWER MOMENTARILY AND PILOT WAS ABLE TO ABORT TAKE-OFF AND LAND WITHOUT INJURIES. POWER RESTORED ITS SELF AND TROUBLESHOOTING COULD NOT DUPLICATE THE LOSS OF POWER.SDR 2025FA0000196Connecting Rod · damagedENGINE WAS RECEIVED BY EJ1R FOR SUDDEN STOPPAGE INSPECTION RESULTING FROM PRECAUTIONARY OFF FIELD LANDING DUE TO BROKEN EXHAUST VALVE ON CYLINDER #5. DURING SUDDEN STOPPAGE TEARDOWN INSPECTION WHILE CLEANING AND VISUALLY INSPECTING CONNECTING RODS, #1 CONNECTISDR 2025FA0000015Pushrod · separatedDURING A FLIGHT AT CRUISE PHASE (PIPER SEMINOLE), THE PILOT REPORTED A POWER DECREASE AND PROCEEDED TO THE NEAREST AIRPORT. AT A PRELIMINARY INSPECTION, IT WAS FOUND THAT THE PUSH ROD ASSEMBLY HAD BROKEN THE VALVE ROCKER ARM. WE WOULD BE VERY GRATEFUL FOR YOSDR 2025FA0000065Engine · destroyedDURING CRUISE FLIGHT AT 7500 FT. THERE WAS A SUDDEN LOUD BANG AND VIBRATION. THE COCKPIT FILLED WITH SMOKE AND THE WINDSCREEN COVERED IN OIL. UPON A VISUAL INSPECTION OF THE ENGINE THERE WAS MULTIPLE HOLES IN THE ENGINE CASE. THE LARGEST HOLE WAS BETWEEN CYLINSDR 2025FA0000017Engine · seizedIN FLIGHT LEFT ENGINE SEIZED AND PIC WAS UNABLE TO FEATHER PROPELLER AND PILOTS HAD TO DIVERT TO ALTERNATE AIRPORT. I WENT ON-SITE 12/08/2024 TO INSPECT AND SEE WHAT MIGHT OF CAUSED THE FAILURE OF LEFT ENGINE. INSPECTION OF ENGINE WITH BORESCOPE VIA THE SPARSDR FXGA2024102100780Rod End · damagedINERTIAL SEPARATOR ACTUATOR TOP ATTACHMENT ROD END LOOSENED AND BECAME EXCESSIVELY LOOSE ON BOTH LEFT AND RIGHT ENGINES. THE NUT RETAINER BRACKET OF THE RIGHT ENGINE'S I/S ACT. ROD END BROKE AT THE BOLT HOLE AND THE BRACKET WAS FOUND ON TOP OF THE ENGINE INLETSDR 2025FA0000084Engine · faultedON OCTOBER 5, 2024, THE PILOT IN COMMAND DEPARTED FROM RUNWAY 31 AT KPVU IN AIRCRAFT N3715V AFTER COMPLETING A STANDARD PRE-FLIGHT RUN-UP. SHORTLY AFTER TAKEOFF, THE PILOT OBSERVED ABNORMAL ENGINE PERFORMANCE AND A REDUCTION IN RPM. IN RESPONSE, THE PILOT MADESDR 2024FA0000752Tube · brokenENGINE EXPERIENCED ROUGHNESS AND POWER REDUCTION DURING FLIGHT, BUT LANDED WITHOUT FURTHER INCIDENT. INSPECTION FOUND THAT THE FUEL INJECTION LINE CONNECTING THE FLOW DIVIDER TO THE INJECTOR NOZZLE WAS BROKEN ON #1 CYLINDER. THE BREAK OCCURRED AT THE BRAZED/SDR 2024FA0000677Engine · blownON AUGUST 21,2024 I HAD A MAJOR ENGINE FAILURE ON TAKEOFF AT 2800 FT AGL. FORTUNATELY I WAS ABLE TO RETURN TO THE AIRPORT AND LAND. I HAD FLOWN THE PLANE FOR 6 HOURS IN THE 2 PREVIOUS DAYS WITH NO ISSUES. EVERYTHING SEEMED FINE DURING THE PRE-FLIGHT AND RUN UPSDR 2024FA0000492Engine · vibrationAFTER TAKEOFF FROM KBIL, PILOT NOTICED VIBRATION FROM ENGINE. PILOT RETURNED TO KBIL WITHOUT INCIDENT.SDR HYIA20240711003Engine · overspeedTHROUGH REVIEW OF ENGINE PERFORMANCE DATA IT WAS DISCOVERED THE RIGHT ENGINE WAS OVER SPED BY MORE THAN 10% DURING FLIGHT TRAINING DOING BACK-TO-BACK PRACTICES OF SIMULATED ENGINE OUT OPERATIONS. PER MANUFACTURE'S GUIDANCE THE ENGINE WILL BE REPLACED.SDR 2024FA0000410Idler Gear · brokenPILOT IN FLIGHT NOTICED ENGINE RPM TO DROP SIGNIFICANTLY AND THE ENGINE RUNNING ROUGH. PERFORMED INSPECTION OF ENGINE AND NOTED CYLINDER VALVES NOT ACTUATING. REMOVED ENGINE SUMP AND FOUND PORTION OF CAMSHAFT IDLER GEAR IN SUMP. REMOVED ACCESSORY HOUSING ANSDR XGNA202404080002Engine · power lossDURING CLIMB A PARTIAL LOSS OF ENGINE POWER OCCURRED WITH FLUCTUATING MANIFOLD PRESSURE. ALL OTHER ENGINE PARAMETERS WERE NORMAL. PILOT RETURNED TO THE AIRPORT. MAGNETO DROPS WERE NORMAL.SDR XGNA202404080001Engine · power lossDURING CLIMB A PARTIAL LOSS OF ENGINE POWER OCCURRED WITH FLUCTUATING MANIFOLD PRESSURE. ALL OTHER ENGINE PARAMETERS WERE NORMAL. MAGNETO DROPS WERE NORMAL. PILOT RETURNED TO AIRPORT.SDR 2024FA0000276Rod · scoredSCRATCHED AT THE ROD ASSY – PUSH AND ROCKER ASSEMBLY. THE SCORED CONDITIONS HAVE BEEN FOUND AFTER REPORTS OF: HIGH OIL TEMPERATURE, LOSS OF POWER, HIGH OIL CONSUMPTIONSDR 2024FA0000275Rod · scoredTHE SCORED CONDITIONS HAVE BEEN FOUND AFTER REPORTS OF: HIGH OIL TEMPERATURE, LOSS OF POWER AND HIGH OIL CONSUMPTION ON THE O-540-J3A5D THE PLUNGER ASSEMBLY INSTALLED SHOWS DIFFERENT LENGTHS
SDR 2024FA0000258Crankshaft · crackedTOTAL INTERNAL CRANKSHAFT FAILURE AT CHEEK BETWEEN #3 AND #4 CONNECTING ROD JOURNALS CAUSING CRANKCASE TO COMPLETELY SEPARATE IN THE CENTER. CRACK APPEARS TO HAVE STARTED IN THE REAR THRUST RADIUS OF #3 CONNECTING ROD JOURNAL. PILOT HAD REPORTED ENGINE ROUSDR HYIA20240221001Engine · failedON APPROACH PILOT NOTICED A SUDDEN "BANG" ACCOMPANIED BY SLIGHT POWER & RPM LOSS ON THE LEFT ENGINE. SMOKE AND OIL BEGAN COMING FROM LEFT ENGINE. OIL PRESSURE DROPPED AND PILOT SECURED THE ENGINE PER COMPANY PROCEDURES. INITIAL INSPECTION FOUND THE NUMBER 6 CYSDR 2024FA0000772Engine · power lossTOTAL LOSS OF POWER AT 400 FEET AS I INITIATED MY LEFT PATTERN TURN OUT THE 2ND TIME. THE FIRST TIME WAS 2 WEEKS BEFORE, SAME THING EXCEPT I WAS AT 500 FEET. CONTACT INFORMATION IF MORE INFORMATION IS NEEDED .SDR 2023FA0000662Hose · deterioratedINFLIGHT HAD AN OIL COOLER HOSE FAILURE. RUBBER DETERIORATED . SHOULD HAVE A LIFE SPAN OF 10 YEARS.SDR 2023FA0000615Pipe · crackedAT 255 HOURS SINCE NEW, INTAKE PIPE LW-14449 FAILED AND PIECES OF FLANGE WAS INGESTED CAUSING DAMAGE TO THE PISTON, RESULTING IN A CYLINDER/PISTON ASSY REPLACEMENT.SDR 2023FA0000602Rocker · damagedLYCOMING FACTORY REBUILT - O-320-D2J, S/N RL-20892-39E. DURING ROUTINE MX. SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 3EA HYDRUALIC TAPPETS P/N 15B21319, 3EA HYDRAULIC LIFTERS P/N 15B26066, 3EA ROCKER ARMS P/N 17F19357, 2EA PUSH RODS P/N 15F28835-10 & 1EA PSDR 2023FA0000595Unknown · unknownDURING FINAL APPROACH, SIMULATED SINGLE ENGINE APPROACH, SIMULATED OPERATIVE ENGINE LOST FULL POWER WITH ECU A AND B FAIL. APPROX. 10 SECONDS LATER THE ENGINE SELF RESTARTED WITH CONSISTENT ECU A AND B FAIL, THOUGH PRODUCING POWER. DETERMINED FUEL LOAD TO BE TSDR YV3R2023120100588Governor · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-9 WAS INOPERATIVE.SDR 2023FA0000539Rocker · damagedLYCOMING FACTORY REBUILT O-320-D2J, S/N RL-20764-39E. DURING ROUTINE MX, SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 7EA ROCKER ARMS P/N 17F19357, 1 EA PUSH ROD P/N 15F28835-09, 6EA PUSH RODS P/N 15F28835-10, 7EA TAPPET SOCKETS P/N 15B21319 & 7EA PLUNGERS P/SDR 2023FA0000525Rocker · damagedDURING ROUTINE MX LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND ALL LIFTERS P/N 15B26066, TAPPET SOCKETS P/N 15B21319, ROCKER ARMS P/N 17F19357, PUSH RODS P/N 15F28835-30 & PUSH RODS P/N 15F28835-29 TO HAVE MECHANICAL DAMAGE "HEAVY SCUFF - SCORING". LSDR 2023FA0000543Exhaust Valve · brokenPART OF THE EXHAUST VALVE HEAD BROKE OFF RESULTING IN COMPLETE ENGINE FAILURE AND LOSS OF AIRCRAFT .SDR 2023FA0000470Exhaust Valve · stuckDURING DEPARTURE AIRCRAFT ENGINE SUDDENLY LOST SIGNIFICANT POWER. THE ENGINE WAS RUNNING ROUGH AND ABNORMAL VIBRATION/SOUND WAS ALSO PRESENT. THE CAUSE OF THE POWER LOSS WAS FOUND TO BE A STUCK EXHAUST VALVE ON CYLINDER #4 WHICH RESULTED IN THE EXHAUST VALVE PSDR 2023FA0000467Rocker · damagedLYCOMING FACTORY REBUILT O-320-D2J, TSN / TT: 2089.1. DURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 6EA VALVE PUSH RODS P/N 15F28835-10, 6EA ROCKERS P/N 17F19357 & 1EA TAPPET SOCKET P/N 15B21319 TO HAVE MECHANICAL DAMAGE (HEAVY SCUSDR 2023FA0000431Engine · mismanufacturedPILOT REPORTED THAT THERE WAS ENGINE ROUGHNESS AND VIBRATIONS DURING TAKEOFF, NOTICED MOST AROUND 700 FEET AGL. THEY ALSO REPORTED PROP OVERSPEED.SDR 2023FA0000429Pushrod · damagedDURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION). FOUND 7 OF 8 PUSH RODS, 7 OF 8 ROCKER ARMS, 7 OF 8 TAPPET SOCKETS & 7 OF 8 LIFTERS WITH MECHANICAL DAMAGE, "HEAVY SCUFF - SCORING". ALSO FOUND #3 CYLINDER WITH IMPROPERLY INSTALLED INTAKE VALSDR 2023FA0000427Rocker · damagedDURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 3 OF 4 EXHAUST PUSH RODS, ROCKER ARMS, TAPPET PLUNGERS & TAPPET SOCKETS TO HAVE MECHANICAL DAMAGE "HEAVY SCUFF - SCORING". LYCOMING FACTORY OVERHAULED O-360-J2A, S/N L-41989-36E, 7/20/20
Back to JASC 8500