JASC 8530
Service difficulty reports · 4,341
Reports filed under 8530 · Reciprocating Engine Cylinder Section, 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 = '8530' 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 = '8530' 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 AUS20030430Cylinder · damaged(AUS) RH ENGINE NR 4 AND NR 6 CYLINDERS EXTENSIVELY HEAT DAMAGED. SUSPECT EXHAUST HAD SEPARATED FROM CYLINDER.SDR CA030415001Nut · loose(CAN) AFTER TAKEOFF OIL/SMOKE WAS NOTICED COMING FROM RT ENGINE. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT LANDED WITHOUT INCIDENT. ROCKER JAM NUT FOUND BACKED OFF ON CYLINDER NR 2 INTAKE.SDR AUS20030404Cylinder · faulty(AUS) CYLINDER ASSY INLET VALVE SPRING RETAINER INCORRECT PART. EXHAUST VALVE SPRING RETAINER FITTED. SIX NEW CYLINDERS WERESUPPLIED&IT FOUND THAT NOT ONLY DID PREVMENTIONED CYLINDER HAVE WRONG SPRING RETAINER FITTED BUT ALLCYLINDERS HAD AN AMOUNT OF ALUMINIUMSDR 2003FA0000422Piston · brokenNR 2 AND NR 3 CYLINDER PISTON SKIRTS BROKE OFF AND FELL INTO THE OIL SUMP WHILE RUNNING AND CONTAMINATING THE ENGINE WITH METAL.SDR CA030407007Engine · vibration(CAN) DURING CRUSE FLIGHT AT 400FT. PILOT HEARD A LOUD 'BANG' A/C BEGAN TO VIBRATE AND THERE WAS A POWER LOSS HOWEVER THE ENGINE WAS STILL RUNNING. A/C WAS LANDED WITH NO SUBSEQUENT DAMAGE AND ENGINE SHUT OFF. ON INSPECTION IT WAS DISCOVERED THAT SOMETHING IN SDR 2003FA0000381Lever · frettedCUSTOMER COMPLAINED OF EXCESSIVE VIBRATION. ATTEMPTS TO BALANCE THE PROP WERE UNSUCCESSFUL. INSPECTION REVEALED THAT THE EXHAUST SUPPORT (LEVER ASSY) SUPPORT BUSHINGS WERE WORN ALLOWING THE METAL PORTION TO CONTACT THE MOUNT TRANSMITTING THE ENGINE VIBRATIONSDR CY42003F00002Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM THE BARREL.SDR CY42003F00001Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM THE BARREL.SDR CY42003F00000Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM THE BARREL.SDR 2003FA0000373Lifter · spalledREMOVED NR 2 CYL FOR BLOW BY. PULLED LIFTER ASSEMBLY TO INSPECTION CONDITION FOUND EXHAUST LIFTERBODY SPALLING. DISASSEMBLED ENGINE SENT CAM OUT. CAM WAS ALSO BAD, COULD NOT BE RECONDITIONED.SDR NACA20030080Cylinder · crackedDISCREPANCY: #1 ENGINE SHUT DOWN DUE TO RUNNING ROUGH.CORRECTIVE ACTION: REPLACED #11 CYLINDER.SDR AUS20030354Cylinder · damaged(AUS) NR 1 CYLINDER LOW COMPRESSION.SDR CA030331007Exhaust Valve · stuck(CAN) PILOT REPORT OF INTERMITTENT ENGINE ROUGH RUNNING. NR 4 EXHAUST VALVE FOUND STICKY. GUIDE AND STEM CLEANED. GROUND RUN SATISFACTORY.SDR CA030328007Piston · melted(CAN) DURING FLIGHT THE PILOT NOTICED AN OIL LEAK COMING FROM THE RT ENGINE. INVESTIGATION FOR THE CAUSE REVEALED THAT CYLINDER NR 5 HAD NO COMPRESSION. ONCE THE ENGINE WAS REMOVED, WE NOTICED THAT THE PISTON MELTED AND HAD BROKEN SEGMENTS. WE REPLACED THE CYLSDR CA030320003Cylinder Head · cracked(CAN) CRACK IN ALUMINUM HEAD RUNNING UNDER TOP SPARKPLUG HOLE. CRACK DOES NOT EXTEND INTO COMBUSTION CHAMBER - NO LEAKAGE FOUND DURING PRESSURE TEST. CYLINDER REMOVED AND REPLACED WITH RECONDITIONED UNIT.SDR CA030325007Cylinder · worn(CAN) ON INSPECTION OF 2 CYLINDERS, 1ST CYLINDER MEASUREMENT OF THE BARREL OF THE CYLINDER VARIES FROM 5.252' AT THE ENTRANCE OF THE CYLINDER AND 5.255' AT THE BOTTOM. MAXIMUM LIMITS ARE 5.256 INCHES. WE DISCOVERED A 'STEP' (SEE PHOTO) AT THE BOTTOM 0.008 DEESDR CA030318005Boss · cracked(CAN) INTAKE TUBE DRAIN BOSS WELD FOUND CRACKED.SDR 2003FA0000328Cylinder Head · crackedCYLINDER CRACKED IN EXHAUST PORT AREA OF THE HEAD.SDR 2003FA0000340Cylinder · crackedENGINE DISASSEMBLED DUE TO BIRD STRIKE. FOUND NR 2 CYLINDER BARREL CRACKED AT JOINT OF BARREL AND HEAD. CRACK IS APPROXIMATELY 2 INCHES LONG, LOCATED RADIALLY AROUND BORE. CYLINDER SHOWS EVIDENCE OF LEAKAGE EXTERNALLY IMMEDIATELY BELOW FINNED AREA OF HEAD. SDR CA030318008Cylinder Head · separated(CAN) CYLINDER HEAD SEPARATION FROM BARREL AD 78-08-07SDR 2003FA0000411Valve Guide · wornINVESTIGATED HEAVY OIL CONSUMPTION. UPON DISASSEMBLY, FOUND VALVE GUIDES EXCESSIVE WORN.SDR 2003FA0000410Exhaust Valve · wornINVESTIGATED HEAVY OIL CONSUMPTION. UPON DISASSEMBLY, FOUND VALVES EXCESSIVELY WORN.SDR A5O2003F00000Piston Pin · wrong partDURING 100 HOUR INSP OF A/C, DISCOVERED NR 1 CYL COMPRESSION WAS READING 25/80 AND OIL FILTER CONTAINED AN EXCESS AMOUNT OF ALUMINUM SHAVINGS. NR 1 CYL WAS REMOVED FROM SERVICE TO INVESTIGATE REASON FOR LOW COMPRESSION AND EXCESS ALUMINUM IN THE FILTER. NR 1SDR AUS20030277Exhaust Valve · separated(AUS) ENGINE EXHAUST VALVE FAILED. VALVE HEAD SEPARATED FROM VALVE STEM CAUSING DAMAGE TO CYLINDER.SDR ZKG2003F00001Cylinder · separatedIN CRUSE FLIGHT ENGINE LOST POWER, OIL PRESSURE WAS DECREASING, PILOT SHUT ENGINE DOWN AND LANDED WITH NO TROUBLE UPON INSPECTION, FOUND NR 2 CYLINDER OFF OF CASE WITH ALL 8 STUDS (HOLDDOWN) BROKEN, FOUND CONNECTING ROD CAP MISSING FROM CONNECTING ROD. CAP JASDR 2003FA0000235Pushrod · wornUPON DISASSEMBLING THE ENGINE FOR OVERHAUL IT WAS DISCOVERED THAT THE NR 1 CYLINDER EXHAUST PUSHROD WAS SEVERLY WORN AT A POINT ABOUT 4 INCHES FROM THE ROCKER ARM END. THE WORN AREA WAS SMOOTH, CRESCENT SHAPED, ABOUT 1/2 INCH IN LENGTH, ALMOST PENETRATING THESDR CA030228012Cylinder · cracked(CAN) DURING DESCENT INTO YAM WITH POWER BACK, OIL WAS NOTED ON RT NACELLE AREA. UPON LANDING UNEVENTFULLY, THE NR 1 CYLINDER WAS FOUND CRACKED. THE CYLINDER WAS REPLACED WITH AN OVERHAUL UNIT AND THE AIRCRAFT RETURNED TO SERVICE.SDR NACA20030074Cylinder · crackedDISCREPANCY: #3 ENGINE SHUT DOWN DUE TO BACK FIRING.CORRECTIVE ACTION: REPLACED #15 CYLINDER.SDR CA030207006Cylinder · damaged(CAN) WHILE ESTABLISHED IN CRUISE FLIGHT A LOUD BANG WAS HEARD FOLLOWED BY SUBSTANTIAL ENGINE VIBRATION AND POWER LOSS. THE OIL PRESSURE GAUGE READ 0 PSI. THROTTLE WAS REDUCED TO IDLE AND A FORCED LANDINGWAS CARRIED OUT.THE PROPELLER STOPPED ROTATING SHORTLYSDR NACA20030072Cylinder · brokenDISCREPANCY: #2 ENGINE SHUT DOWN DUE TO A #9 CYLINDER DOUBLE SHORTED SECONDARY.CORRECTIVE ACTION: REPLACED #9 CYLINDER. BROKEN VALVE SEAT.SDR CA030211003Valve Guide · stuck(CAN) IN CRUISE FLIGHT ENGINE STARTED TO RUN ROUGH AND UNABLE TO MAINTAIN POWER ABOVE 1800 RPM. PILOT LANDED WITHOUT PROBLEMS. ON INVESTIGATION NOTICED NR 2 CYLINDER EXHAUST VALVE STUCK OPEN ALSO NOTICED VALVE TAPPET BODY CRACKED. ENGINE WAS REMOVED FOR REPAIRSDR 2003FA0000430Cylinder · splitSTEEL BARREL SPLIT IN A SPIRAL MOTION. CYLINDER SERIAL NR 22597-24.SDR NACA20030077Cylinder · crackedDISCREPANCY: #2 ENGINE SHUT DOWN DUE TO RUNNING ROUGH AND OIL LOSS.CORRECTIVE ACTION: REPLACED #2 ENGINE #4 CYLINDER.SDR NACA20030070Cylinder · crackedDISCREPANCY: #3 ENGINE FEATHERED FOR BACKFIRING & VIBRATION.CORRECTIVE ACTION: REPLACED #6 CYLINDER.SDR NACA20030069Cylinder · crackedDISCREPANCY: #4 ENGINE PRECAUTIONARY SHUT DOWN DUE TO BACK FIRING, ANALYZER READS #4 CYLINDER LOW COMPRESSION BOTH SIDES.CORRECTIVE ACTION: REPLACED #4 ENGINE #4 CYLINDER.SDR CA030123005Nut · damagedDURING AIRCRAFT SCHEDULED INSPECTION EVENT, MAINTENANCE PERSONNEL FOUND A CYLINDER BASE NUT LODGED IN THE OIL PUMP SCAVENGE SCREEN ORIFICE. THE NUT WAS TOO BIG IN SIZE TO BE REMOVED FROM ENGINE; THEREFORE ENGINE ACCESSORY CASE, OIL PAN AND THREE (3) CYLINDERSSDR NACA20030068Cylinder · crackedDISCREPANCY: #1 engine precationary shut down for excessive vibration.CORRECTIVE ACTION: Replaced #1 engine #2 cylinder. (Cracked head).SDR 2003FA0000088Intake Valve · leakingAT 470 HOURS ON REBUILT ENGINE, ALL CYLINDERS WERE REMOVE FOR INTAKE VALVE LEAKAGE. ALL VALVE SEATS WERE EASILY RECONDITIONED, BUT VALVES SHOWED MAJOR IDENTATION AT THE SEAT CONTACT AREA, WITH APPARENT MOVEMENT OF VALVE MATERIAL OUTWARD.SDR AUS20030020Exhaust Valve · worn(AUS) NO4 CYLINDER EXHAUST VALVE SEAT LEAKING. FOLLOWING VALVE REMOVALSEVERE EROSION WAS THEN FOUND ON THE NECK OF THE VALVE. NO5 CYLINDER EXHAUST VALVE WAS ALSO FOUND TO HAVE A SIMILAR EROSION PROBLEM. ALL OTHER VALVES WERE CHECKED AND FOUND TO BE IN NORMALCOSDR 2003FA0000085Connecting Rod · bentNR 5 CYLINDER WAS REMOVED FROM RIGHT ENGINE AFTER ROUGH OPERATION AT GROUND RUN UP AND COMPRESSION LOSS. INSPECTION REVEALED BENT I BEAM SECTION OF CONNECTING ROD AND DAMAGE TO SKIRT OF PISTON. FAILURE ANALYSIS DETERMINED CAUSE TO BE HYDROSTATIC LOCK DUE TO SDR NACA20020065Cylinder · crackedNR 3 ENGINE PRECAUTIONARY SHUT DOWN FOR A NR 6 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED NR 3 ENGINE, NR 6 CYLINDER.SDR CA030115008Cylinder · cracked(CAN) NR 7 CYLINDER CRACKED BETWEEN NR 2 & 3 LOWER HEAD FINS.SDR CA030103009Cylinder · corroded(CAN) AIRCRAFT IN FOR NORMAL MAINTENANCE. LOW COMPRESSION ON NR 2 CYLINDER. REMOVED CYLINDER. DISCOVERED PITTING ON BARREL. SURFACE AND INTAKE VALVE WARPED.CYLINDERS NR 1, 3 AND 4 REMOVED ALSO FOUND PITTING, LYCOMING FACTORY TO SUPPLY 4 NEW CYLINDER ASSEMBLIESSDR NACA20020064Cylinder · crackedNR 1 ENGINE PRECAUTIONARY SHUT DOWN FOR EXCESSIVE OIL CONSUMPTION AND NR 16 CYLINDER SHORTED SECONDARY. REPLACED NR 1 ENGINE, NR 9 CYLINDER.SDR NACA20020062Cylinder · crackedPRECAUTIONARY SHUT DOWN ON NR 1 ENGINE DUE TO EXCESSIVE OIL CONSUMPTION. REPLACED NR 1 ENGINE NR 5 CYLINDER.SDR 2002FA0001391Valve Guide · misinstalledEXHAUST VALVE GUIDE IS A REPLACEMENT GUIDE FOR EXHAUST VALVE GUIDE. IN THE ENGINE CYLINDER ASSEMBLY. WHEN THE EXHAUST VALVE GUIDE IS INSTALLED, THE EXHAUST VALVE SPRING RETAINER WILL NOT SEAT PROPERLY OVER THE INSTALLED VALVE GUIDE. THERE IS NO IDENTIFIED ESDR AUS20021408Gasket · leaking(AUS) NR 1 CYLINDER LEAKING AT EXHAUST GASKET. DAMAGE TO COOLING FINS AND BAFFLE.SDR NAFA2002001Cylinder · crackedNR 3 ENGINE PRECAUTIONARY SHUT DOWN FOR A NR 2 CYLINDER SHORTED SECONDARY. REPLACED NR 2 CYLINDER.SDR 2002FA0001371Cylinder · separatedSIX CYLINDER SET INSTALLED ON ABOVE ENGINE AT ENGINE TOTAL TIME OF 3605.0 (TSO 381.5). AT ENGINE TOTAL TIME OF 3989.0 HEAD OF CYLINDER NR 4 SEPERATED FROM BARREL. CYLINDER SENT TCM. TCM REPLACING ALL 6 CYLINDERS.SDR CA031103007Engine · making metal(CAN) FOUND METAL CONTAMINATION ON OIL FILTER ELEMENT. MFG LAB REPORTS METAL AREA MS 6274 STEEL LIKELY FROM CAMSHAFT AND AMS 4280 ALUMINUM FROM CRANKCASE. ENGINE WAS REMOVED AS PRECAUTIONARY INVESTIGATION DUE TO SIMILAR METAL CONTAMINATION AND REPAIR ABOUT 1
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