JASC 8530
Service difficulty reports · 4,342
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 2002FA0000495Bushing · failedEIGHT BUSHINGS FAILED WITHIN 15 HOURS OF OPERATION. THE PROBLEM WAS INDICATED BY BRASS METALIC DUST IN THE OIL FILTER. THIS LOOKED SIMILAR TO METALIC PAINT FLAKE SUSPENDED IN THE OIL. THE ROCKER ARMS WERE REMOVED AND BUSHING CLEARANCE WAS MEASURED. THE WEASDR CA020430002Exhaust Valve · separated(CAN) UPON FINAL THE PILOT NOTICED THE RT ENGINE STARTED TO RUN ROUGH & MAP CLIMB WITH A CHT DECREASE. WHEN THE POWER WAS REDUCED TO IDLE AT LANDING THE ENGINE STOPPED. THE PILOT RESTARTED THE ENGINE & TAXIED IN, BUT NOTICED THE RT ENGINE TO BE RUNNING ROUGH.SDR 2002F00370Cylinder · separatedAT CRUISE POWER, LEFT ENGINE DEVELOPED A (SHAKE). ENGINE WAS SHUT DOWN AND AIRCRAFT DIVERTED. FOUND NR 4 CYLINDER LIFTED FROM ITS BASE. THE CYLINDER BARREL FAILURE ALSO CAUSED THE NR4 LINK ROD TO FAIL.SDR 2002FA0000556Cylinder · leakingNOTICED OIL SEPPAGE BETWEEN THE HEAD AND BARREL OF THE NR 5 CYLINDER BETWEEN THE PUSH ROD TUBES DURING THE FIRST OIL CHANGE. DURING THE SECOND OIL CHANGE, NOTICED A SUBSTANTIAL INCREASE IN OIL LEAKAGE AT THE SAME PLACE ON THE NR 5 CYLINDER, ALSO NOTICED OIL LSDR 2002FA0000555Cylinder · leakingNOTICED OIL SEEPAGE BETWEEN THE HEAD AND BARREL OF THE NR 5 CYLINDER BETWEEN THE PUSH ROD TUBES DURING THE FIRST OIL CHANGE. DURING THE SECOND OIL CHANGE, NOTICED A SUBSTANTIAL INCREASE IN OIL LEAKAGE AT THE SAME PLACE ON THE NR 5 CYLINDER, ALSO NOTICED OIL LSDR WVBA2002007Cylinder Head · crackedPILOT REPORTED HIGH CYLINDER HEAD TEMPERATURE AND RETURNED TO BASE. TECHNICIANS DISCOVERED A CRACK COMING OUT OF SPARK PLUG HOLE AN REMOVED INTERCYLINDER BAFFLING WHERE IT WAS FOUND TO RUN FROM SPARK PLUG HOLE TO FIRST COOLING FIN OF STEEL BARREL. THIS WHICHSDR 2002FA0000934Cap · wornFACTORY OVERHAUL 02/28/96. RIGHT NR 2 CYLINDER DUE TO PISTON PIN WEAR. INSTALLED CHROME CYLINDER. 04/01/02SDR 2002FA0000459Cylinder · damagedUSING COMPLETE CYLINDER AND VALVE ASSEMBLYS, ENGINE SCREEN PLUGGED WITH BLACK FLAKES AND STARVED ENGINE IN INITIAL HOUR OF BREAKING. RESULTED IN OIL STARVATION TO MAINS, ROD BEARINGS, CYLINDER WALLS, CAMSHAFT, ROCKERS AND TAPPETS. OIL PUMP DAMAGED DUE TO ABRSDR NACA20020012Cylinder · crackedFEATHERED THE NR 3 ENGINE DUE TO RUNNING ROUGH. REPLACED THE NR 7 CYLINDER.SDR NACA20020011Cylinder · crackedNR 4 ENGINE FEATHERED AT 0507Z, (BACKFIRING AND RUNNING ROUGH). REPLACED NR 16 CYLINDER.SDR 2002FA0000452Cylinder · failedIN FLIGHT, PILOT NOTICED REDUCTION IN MANIFOLD PRESSURE. PILOT DESCENDED WHEN COMPLETE FAILURE AND SEPARATION OF THE NR 4 CYLINDER ON THE LEFT ENGINE OCCURRED. CYLINDER HEAD SEPARATED FROM BARREL. ENGINE WAS SECURED AND SHUT DOWN. PROP WAS FEATHERED. THE SDR CA020326005Cylinder Head · cracked(CAN) ENGINE CYLINDER CRACKED ON TOP OF HEAD.SDR AUS20020283Cylinder · separated(AUS) ENGINE CYLINDERS (2OFF) LEAKING PAST EXHAUST VALVE. DURING CYLINDER REMOVAL THE CYLINDER HOLD DOWN NUTS WERE FOUND TO BE LOOSE. RED SILICONE SEALANT WAS ALSO FOUNDS AROUND THE BASE OF THE CYLINDERS AND STUCK TO THE CYLINDER BASE O-RINGS.SDR AUS20020321Pushrod · distorted(AUS) NO4 CYLINDER EXHAUST VALVE PUSHROD BENT. EXHAUST VALVE DID NOTAPPEAR TO BE STUCK OR TIGHT IN THE VALVE GUIDE.SDR 2002FA0000326Cylinder · brokenPILOT REPORTED PARTIAL LOSS OF POWER AND VIBRATION FROM RIGHT ENGINE ON CLIMB-OUT. UPON INSPECTION FOUND RIGHT ENGINE NR 2 CYINDER HEAD BROKEN IN THE AREA OF THE FOURTH AND FIFTH COOLING FINS. HEAD WAS COMPLETELY SEPARATED FROM THE BARREL AND WAS HELD IN PLASDR CA020225007Exhaust Valve · damaged(CAN) THE VALVE SEAT ON THE EXHAUST VALVE FROM CYLINDER NR 2 WAS FOUND TO BE DISHED.SDR CA020225006Intake Valve · corroded(CAN) THE BASE OF THE INTAKE VALVE STEM FROM THE NR 2 CYLINDER WAS FOUND TO BE PITTED.SDR CA020225005Intake Valve · cracked(CAN) DURING THE POST-INSPECTION ENGINE RUN SUBSTANTIAL ENGINE VIBRATION WAS NOTED. THE NR 4 CYLINDER WAS REMOVED AND THE INTAKE VALVE WAS FOUND TO HAVE A CRACK EXTENDING FROM A CENTRAL LOCATION TO THE EDGE OF THE VAVLE. SMALL CHIPS WERE ALSO NOTED TO BE MISSDR AUS20020142Exhaust Valve · burned(AUS) EXHAUST VALVE BURNED. VALVE NOT SEATING CORRECTLY.SDR FL846561Valve · failedINTAKE VALVE AND SEAT CYLINDER NR 1 NOT SEALING. APPEARS THAT VALVE SEAT AND/OR VALVE WERE IMPROPERLY GROUND. THIS PATTERN IS NOT CONSISTANT AROUND CIRCUMFERENCE OF VALVE. ONE SECTION OF SEAT(APPROX .7500) APPEARS TO HAVE NO CONTACT WITH VALVE.SDR FL84656Seat · misrepairedINTAKE VALVE AND SEAT, CYLINDER NR 1 NOT SEALING. APPEARS THAT VALVE SEAT AND / OR VALVE WERE IMPROPERLY GROUND. THIS PATTERN IS NOT CONSISTANT AROUND CIRCUMFERENCE OF VALVE. ONE SECTION OF SEAT (APPROX .7500 INCH)APPEARS TO HAVE ON CONTACT WITH VALVE.SDR MHJ2002F00002Cylinder · separatedNR 4 CYLINDER FOUND SEPERATED FROM CRANKCASE, CAUSE UNKNOWN. ENGINE REMOVED FROM AIRCRAFT AND SENT TO OVERHAUL FACILITY.SDR MHJ2002F00001Cylinder · brokenNR 2 CYLINDER ON LEFT ENGINE HAD A SMALL PIECE MISSING FROM AROUND EXHAUST VALVE AREA. ENGINE HAS BEEN REMOVED FROM SERVICE FOR OVERHAUL.SDR CA020221019Exhaust Valve · chipped(CAN) AFTER TAKE-OFF IT WAS NOTED THAT THE ENGINE WAS NOT DEVELOPING FULL POWER. WHEN THE POWER SETTING WAS REDUCED TO ESTABLISH THE AIRCRAFT ON A DOWNWIND LEG A LOW FREQUENCY ENGINE VIBRATION WAS NOTED. A 1/4 INCH DIA CHIP WAS FOUND MISSING ON THE CIRCUMFERSDR 2002FA0000269Valve Spring · failedDURING ANNUAL INSPECTION, PERFORMED A COMPRESSION CHECK ON ALL ENGINE CYLINDERS. TWO CYLINDERS FAILED THE CHECK LEAKING BY THE VALVES. REMOVED CYLINDERS, DISASSEMBLED. CHECKED VALVE SPRINGS INNER AND OUTER TENSION PER CONT OVERHAUL MANUAL USING A VALVE SPRISDR NACA20020006Cylinder · crackedSHUT DOWN NR 4 ENGINE AT 0735 ZULU DUE TO BACKFIRING. REPLACED NR 11 CYLINDER.SDR NACA20020007Cylinder · crackedFEATHERED NR 3 ENGINE DUE TO RAPID BACKFIRING. REMOVED AND REPLACED NR 4 CYLINDER ON THE NR 3 ENGINE.SDR NACA20020005Cylinder · crackedFEATHERED NR 4 ENGINE, BACKFIRING, WON'T TAKE A LEAN. REPLACED THE NR 18 CYLINDER.SDR CA020205001Exhaust Valve · chipped(CAN) SHORTLY AFTER T/O, A PARTIAL ENGINE POWER LOSS WAS EXPERIENCED WITH ASSOCIATED ENGINE VIBRATION AND REDUCED CLIMB PERFORMANCE.THE AIRCRAFT RETURNED TO THE AIRPORT TO LAND. THE COMPRESSION WAS FOUND TO BE LOW IN THE NR 3 CYLINDER. AIR WAS FOUND TO BE LESDR NACA20020002Cylinder · crackedNR 2 ENGINE RAPID LOSS OF BMEP, ROUGH RUNNING. REPLACED NR 2 CYLINDER.SDR 2002F00038Piston · failedTRANSISITIONING FROM TAKE-OFF TO CLIMB PHASE OF FLIGHT, AFTER REDUCING POWER NR 1 ENGINE SHUTDOWN. PILOT FEATHERED PROP AND MADE UNEVENTFUL LANDING. REMOVAL OF NR 5 CYLINDER REVEALED SEVERE DAMAGE TO THE TOP OF THE PISTON, WITH BROKEN RINGS. VALVE WERE REALITISDR 2002FA0000086Lifter · brokenDURING OIL CHANGE FOUND METAL IN OIL FILTER. REMOVED SUCTION SCREEN FOUND .5000 INCH DIAMETER PIECES OF METAL. DISASSEMBLED ENGINE AND FOUND LIFTER FACES BROKEN OFF 3 LIFTERS.SDR 2002FA0000055Cylinder · leakingENGINE WAS INSTALLED ON THE AIRCRAFT AND RUN UP. AN OIL LEAK WAS NOTICED IN THE LOWER SPARK PLUG BOSS AREA OF NR 1 CYLINDER. FURTHER EXAMINATION REVEALED THAT SOME CUTS BETWEEN FINS ADJACENT TO THE SPARK PLUG HOLE NEARLY PENETRATED THE THREAD AREA OF THE SPASDR 2002FA0000054Cylinder · cutENGINE WAS INSTALLED ON THE AIRCRAFT AND RUN UP. AN OIL LEAK WAS NOTICED IN THE LOWER SPARK PLUG BOSS AREA OF NR 1 CYLINDER. FURTHER EXAMINATION REVEALED THAT SOME CUTS BETWEEN FINS ADJACENT TO THE SPARK PLUG HOLE NEARLY PENETRATED THE THREAD AREA OF THE SPSDR 2002FA0001398Pushrod · destroyedENGINE DISMANTLED DUE TO ENGINE FAILURE, FOUND NR 6 PUSHROD FAILED OR BEARING FAILED. PUSHROD COME OFF NR 6 CRANK JOURNAL AND DESTROYED ENGINE.SDR AUS20020018Cylinder · faulty(AUS) LT ENGINE NR 2 CYLINDER OUT OF ROUND. NR 5 CYLINDER BORE STEPPED AND BLUE MARKING ON FINS. NR 1 CYLINDER IS MARKED AS NITRIDED BUT IS ACTUALLY A CHROMED CYLINDER. RT ENGINE NR 4 CYLINDER NOT ENTERED ON RELEASE NOTE. NR 2 CYLINDER IS NOT MARKED ORANGE FORSDR 2002FA0000156Connecting Rod · failedNR 3 CYLINDER CONNECTING ROD AND CAP FAILED AT THE CRANKSHAFT. CONNECTING ROD FELL TO BOTTOM OF CYLINDER BORE AND WAS REPEATEDLY STRUCK BY THE CRANKSHAFT UNTIL ENGINE WAS SHUT DOWN. THE FAILURE OCCURRED AFTER FINAL POWER REDUCTION DURING A ROUTINE LANDING. PSDR 2002FA0000154Cylinder Head · separatedDURING LEVEL FLIGHT THE LEFT ENGINE STARTED RUNNING VERY ROUGH. ENGINE FEATHERED AND AIRCRAFT RETURNED TO AIRPORT. ENGINE UNCOWLED AND NR 5 CYLINDER HEAD WAS FOUND SEPARATED FROM BARREL.SDR AUS20011393Exhaust Valve · faulty(AUS) NR 2 CYLINDER EXHAUST VALVE FAULTY.SDR AUS20011441Connecting Rod · failed(AUS) NO5 CONNECTING ROD FAILED. NO1, NO2 AND NO4 MAIN BEARINGS OVERHEATED. SIGNS OF OVERHEATING ON ALL BIGEND BEARINGS.INVESTIGATION INDICATES INCORRECT MACHINING OF CRANKCASE OILPASSAGES IN MAIN BEARING SUPPORT.SDR AUS20011440Cylinder · cracked(AUS) RT ENGINE NR 2 AND NR 4 CYLINDERS CRACKED IN AREA OF HEAD / BARRELJOINT.SDR AUS20011369Rocker · misinstalled(AUS) ENGINE ROCKER COVER GASKETS INCORRECTLY FITTED. FOLLOWING REMOVAL OF THE ROCKER COVERS IT WAS FOUND THAT THE ROCKERS WERE ALSO INCORRECTLY FITTED. SOME INLET ROCKERS WERE FITTED TO EXHAUST POSITIONS AND VICE VERSA. NR 5 CYLINDER EXHAUST VALVE ALSO HAD EXSDR AUS20011459Exhaust Valve · leaking(AUS) ENGINE EXHAUST VALVE LEAKING DURING COMPRESSION TEST.SDR AUS20011452Connecting Rod · mismanufactured(AUS) FOLLOWING BULK STRIP DUE TO FAILURE OF THE NR 2 CYLINDER CONNECTING ROD IT WAS FOUND THAT THE OIL GALLERY SUPPLYING NR 2 MAIN BEARING WAS NOT DRILLED INTO THE MAIN OIL GALLERY.SDR AUS20011347Cylinder · separated(AUS) RT ENGINE NR 4 CYLINDER AND PISTON SEPARATED IN FLIGHT. RT ENGINE COWL SEPARATED ALONG HINGE.SDR VJ32002F00001Lifter · collapsedENGINE HAD A CLICKING NOISE AT LOW RPM. REMOVED NR 2 ROCKER COVER AND FOUND THAT THE INTAKE LIFTER WAS COLLAPSED, REMOVED LIFTER BODY AND INSTALLED NEW LIFTER, GROUND RUN CHECKED OK. PART RETURNED TO MFG FOR WARRANTY.SDR 2001FA0000685Valve Seat · looseNUMBER 4 CYLINDER HAD AN INTAKE VALVE SEAT COME LOOSE AND THE PISTON HAD BROKEN RINGS. SUBSEQUENT LOSS OF POWER.SDR 2002FA0000012Valve · wornCOMPRESSION TEST INDICATED NR 1 AND NR 2 CYLINDERS HAVE EXHAUST LEAKS. REMOVED CYLINDERS AND DIMENSIONALLY INSPECTING VALVES AND GUIDES. SEVERE WEAR OF BOTH GUIDE AND VALVE.SDR 2002FA0000011Guide · wornCOMPRESSION TEST INDICATED NR 1 AND NR 2 CYLINDERS HAVE EXHAUST LEAKS. REMOVED CYLINDERS AND DIMENSIONALLY INSPECTING VALVES AND GUIDES. SEVERE WEAR OF BOTH GUIDE AND VALVE.SDR 2002FA0000010Exhaust Rocker · mismanufacturedTHE INSTALLED EXHAUST ROCKERS WERE PN 534398. THEY EXPLAINED THAT THOSE ROCKERS DID NOT HAVE THE HOLE DRILLED TO SQUIRT OIL ON THE EXHAUST VALVE STEM. THE NEW EXHAUST ROCKER HAS THAT SQUIRTER HOLE TO AID IN LUBRICATION. THIS WAS CAUSE OF FAILURE, PER MFG.
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