JASC 8520
Service difficulty reports · 2,213
Reports filed under 8520 · Reciprocating Engine Power 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 = '8520' 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 = '8520' 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 2002FA0000023Bearing · failedIN FLIGHT FAILURE OF LT ENGINE NR 2 ROD BEARING FAILED CAUSING CASE DAMAGE. ROUGH RUNNING AND OIL LOSS. PILOT SHUT DOWN ENGINE AND MADE A SUCCESSFUL LANDING TBO IS 1400 HR. ENGINE HAD 1166.9 SINCE FACTORY REMANUFACTURE.SDR AUS20011253Camshaft · unserviceable(AUS) LH ENGINE CAMSHAFT NO1 AND NO4 TAPPETS UNSERVICEABLE. FOUND DURING INSPECTION IAW PIPER MSB 446D.SDR CA011120013Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH PROTECTIVE COATING APPLIED BY FACTORY AT OVERHAUL AS PER LYCOMING SB 505B AND 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR AUS20011186Bearing · failed(AUS) CONNECTING ROD BIGEND BEARING MATERIAL SEPARATED FROM BEARING SHELL.SDR 2001FA0000555Bearing · failedWHILE ACCOMPLISHING 50 HOUR INSPECTION, METAL WAS FOUND IN FILTER. TEAR DOWN OF ENGINE REVEALED THAT BEARING PART FAILED. BATCH NUMBER ON BEARING WAS 5-99.SDR 2001FA0000655Lifter · spalledUPON REMOVAL OF PUSH RODS AND PUSH ROD TUBES FOR RESEAL. THE LIFTERS WERE REMOVED FOR BLEEDING. THE LIFTERS WERE INSPECTED AND WERE FOUND TO HAVE SEVERE SPALLING. MFG WAS NOTIFIED AND ENGINES ARE TO BE REMOVED AND SENT BACK FOR REPAIR. ENGINES HAVE 132.4 HSDR 2001FA0000572Lifter · spalledUPON REMOVAL OF PUSH RODS AND PUSH ROD TUBES FOR RESEAL, THE LIFTERS WERE REMOVED FOR BLEEDING. THE LIFTERS WERE INSPECTED AND WERE FOUND TO HAVE SEVERE SPALLING. MFG WAS NOTIFIED AND ENGINES ARE TO BE REMOVED AND SENT BACK FOR REPAIR. ENGINES HAVE 132.4 HRSSDR AUS20011163Stud · cracked(AUS) RH ENGINE CYLINDER HOLDDOWN STUDS CRACKED.SDR CA020109002Crankshaft · corroded(CAN) CORROSION FOUND UNDER URETHABOND COATING APPLIED BY FACTORY AT OVERHAUL AS PER SB 505B AND SB 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR CA011116017Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH URETHABOND COATING APPLIED BY FACTORY AT OVERHAUL AS PER SB 505B AND SB 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR 2001FA0000587Bearing · debondedPLATING ON BEARING UNBONDED FORM BACKING (ROD SIDE NOT THE CAP SIDE) DATE CODE ON BACK OF BEARING IS 200.SDR MHJ2001F00001Main Bearing · delaminatedFOUND NONFERROUS METAL IN SUCTION OIL SCREEN, CUT OPEN OIL FILTER AND FOUND NONFERROUS METAL IN OIL FILTER, DISASSEMBLED ENGINE, FOUND NR 2 AND NR 4 MAIN BEARINGS TO BE DELAMINATING. OIL ANALYSES SHOWS METAL TO BE CONSISTENT WITH BEARING MATERIAL.SDR 2001FA0000489Main Bearing · delaminatedFRONT MAIN BEARING DELAMINATION. DEFECT AREA WAS ABOUT THE SIZE OF A DIME. THERE WAS EVIDENCE OF SUBSURFACE FLAWS IN THE SURROUNDING AREA. THE CAUSE WOULD BE IMPROPER MANUFACTURING.SDR CA011108012Dowel Pin · sheared(CAN) DURING CRUISE JUST PRIOR TO LANDING IN YVR, LT ENGINE BEGAN TO RUN VERY ROUGH WITH MOST OR ALL POWER LOSS. PILOT SHUT ENGINE DOWN AND LANDED NORMALLY IN YVR. PRELIMINARY INVESTIGATION FOUND BOTH VALVE AND MAG TIMING TO HAVE ALTERED SIGNIFCANTLY.SDR 2001FA0000558Stud · brokenBROKEN CYLINDER BASE STUDS, 5 STUDS BROKEN ON NR 1 CYLINDER, FOUND MIS-TORQUED ON NR 2, NR 3, AND NR 4, ALSO.(K)SDR 2002FA0000015Piston · mismanufacturedDURING INSTALLATION OF NEW PISTON AND RINGS. IT WAS NOTED THAT ONE OF THE PISTONS WOULD ONLY SLIDE INTO THE BARREL HALF WAY. PISTON SKIRT OD WERE CHECKED, OK AT 5.1175 OD. THE PROBLEM WAS FOUND TO BE THE OD OF THE PISTON JUST BELOW THE PISTON PIN WAS MEASURSDR 2001FA0000573Bearing · failedENGINE FAILED IN-FLIGHT DUE TO FAILURE OF CONNECTING ROD ROLLER BEARINGS ON CRANKSHAFT ASSEMBLY. CAUSE UNKNOWN.SDR 2001FA0000497Crankcase · crackedCRANKCASE WAS CRACKED AT NR 2 UPPER CYLINDER STUD AND LEAD INTO OIL PRESSURE GALLEY. ENGINE LOST OIL PRESSURE AND WAS FEATHERED.SDR CA011031005Diaphragm · swollen(CAN) DURING 200 HR INSP OIL FOUND BETWEEN NR 1 & 3 CYLINDERS. COMPRESSION CHECK CARRIED OUT TO DETERMINE CYLINDER THAT PRODUCING OIL. BOTH CYLINDERS PRODUCED NORMAL COMPRESSION READINGS. WHEN BOTTOM SPARK PLUGS WERE REMVD ONE FROM CYLINDER NR 3 FOUND TO HAVE SDR AUS20011169Gear · loose(AUS) RH ENGINE ALTERNATOR DRIVE GEAR TO CRANKSHAFT ATTACHMENT BOLTSPNO 649205 LOOSE AND GEAR PNO 632018 LOOSE AND TEETH DAMAGED. ALTERNATOR BEARINGS FAILED. METAL CONTAMINATION OF OIL FILTER.SDR 2001FA0000457Crankshaft · brokenCRANKSHAFT BROKEN IN FLIGHT, LANDED WITHOUT INCIDENT. CRANKSHAFT BROKEN ON THE FORWARD SIDE OF JOURNAL NR 1 CYLINDER.SDR AUS20011087Bearing · worn(AUS) DURING LH ENGINE STRIP FOR REPAIR TO A CRACKED CRANKCASE, THE CENTRE MAIN BEARING WAS FOUND TO BE BADLY WORN AND THE LOCATING LUGS WERE BADLY DAMAGED. THE CRANKSHAFT WAS ALSO FOUND TO BEDAMAGED ON THE FORWARD AND REAR SURFACES CONTACTED BY THE BEARING DUSDR AUS20011098Crankcase · damaged(AUS) ENGINE CRANKCASE HOLED IN AREA OF NR 5 AND NR 6 CYLINDERS.SDR AUS20011082Crankshaft · broken(AUS) ENGINE CRANKSHAFT BROKEN IN WEB LOCATED FORWARD OF MAIN BEARING JOURNAL BETWEEN NO5/NO6 AND NO7/NO8 CYLINDER BANKS. ONE CONNECTING ROD CRACKED.SDR CA011029014Connecting Rod · broken(CAN) WHILE IN CRUISE AT 2,000 FEET A LOUD REPORT WAS HEARD FROM THE ENGINE. FOLLOWED WAS EXTREME ENGINE VIBRATION. POWER WAS REDUCED TO IDLE. THE AIRCRAFT WAS LANDED. UPON INVESTIGATION IT WAS DETERMINED THAT NR 5 AND NR 1 CONNECTING RODS WERE BROKEN. ENGINE SDR AUS20011059Crankcase · cracked(AUS) RH ENGINE CRANKCASE CRACKED ON NO5 CYLINDER BASE PAD IN THE 8 O'CLOCK POSITION.SDR 2001FA0000458Lifter · spalledDURING ROUTINE OIL CHANGE, METAL WAS FOUND IN FILTER. ENGINE WAS REMOVED AND DISASSEMBLED. CAUSE WAS FOUND TO BE LIFTER FACE AND CAM LOBE SPALLING ON CYLINDER CAM LOBES NR5 AND NR6 INTAKE. NO CORROSION NOTED. TWO OTHER INTAKE LIFTERS EXHIBIT PREMATURE WEARSDR AUS20011034Stud · failed(AUS) LH ENGINE NO1 CYLINDER HOLDDOWN STUDS FAILED. CRANKCASE CRACKED IN TOP RIGHT STUD HOLE.SDR YWB2001F00000Crankcase · crackedDURING ROUTINE INSPECTION AN OIL LEAK WAS NOTICED AFT OF NR 2 CYLINDER. FURTHER INVESTIGATION REVEALED CRACK IN CRANKCASE STARTING AT 7TH STUD LOCATION NR 2 CYLINDER RUNNING AFT APPROX 2 INCHES IN LENGTH ENGINE REMOVED FROM SERVICE.SDR AUS20011009Crankcase · cracked(AUS) RH ENGINE NO4 CYLINDER HOLDDOWN STUDS (2OFF) BROKEN. CRANKCASECRACKED VERTICALLY UP FROM TOP STUD. CRACK LENGTH 76.2MM (3IN).SDR AUS20011244Stud · broken(AUS) LH ENGINE CYLINDER HOLDDOWN STUD BROKEN. CRANKCASE CRACKED. SEE ALSO MDR 01/1243.SDR AUS20011243Bolt · broken(AUS) LH ENGINE CRANKCASE THOUGH BOLT BROKEN. SEE ALSO MDR 01/1244.SDR AUS20011033Bearing · failed(AUS) CONNECTING ROD BIG END BEARING MATERIAL FLAKING OFF FROM BEARING BASE.SDR 2001FA0000472Bearing · failedENGINE WAS REMOVED DUE TO METAL CONTAMINATION. FOUND NR 3 CONNECTING ROD BEARING FAILED. THE ENGINE DID NOT EXHIBIT SIGNS OF OIL STARVATION. CAUSE FOR THIS FAILURE COULD BE DELAMINATION OF THE ROD BEARING.SDR AUS20011091Bolt · broken(AUS) LH ENGINE NO4 CYLINDER CONNECTING ROD BOLT BROKEN. COWLING HOLED.SDR WVBA200146Camshaft · damagedDURING INSPECTION, METAL CONTAMINATION WAS OBSERVED IN THE OIL FILTER. A CHECK WAS MADE OF VALVE LIFT AND IT WAS DETERMINED THAT THE NR 1 AND NR 2 INTAKE LOBES ON THE CAMSHAFT WERE EXCESSIVE. NR 2 CYLINDER WAS REMOVED AND DAMAGE ON THE CAM LOBES AND TAPPETSDR AUS20010936Crankshaft · broken(AUS) CRANKSHAFT BROKEN AT NO4 MAIN BEARING JOURNAL.SDR JUK2001F00001Camshaft · damagedNEW CAMSHAFT AND LIFTERS WERE INSTALLED AT ENGINE OVERHAUL. ENGINE DISASSEMBLED AT 781 HOURS TSO DUE TO PROP STRIKE. TWO LOBES AND LIFTERS WERE SPALLED, ONE SEVERELY, THE OTHER TO A LESSER DEGREE. THE TWO LOBES INVOLVED ONLY OPERATE ONE VALVE EACH. THE LOBSDR AUS20010974Bearing · broken(AUS) ENGINE MAIN BEARING BROKEN INTO THREE PIECES. METAL CONTAMINATION OF ENGINE.SDR AUS20010973Bearing · broken(AUS) ENGINE MAIN BEARING BROKEN INTO SEVERAL PIECES. METAL CONTAMINATION OF OIL SYSTEM. BEARING WAS A GENUINE CONTINENTALITEM.SDR AUS20010943Bearing · failed(AUS) ENGINE OIL FILTER CONTAMINATED WITH METAL. INVESTIGATION FOUNDNO1 AND NO2 BEARINGS HAD COMPLETELY FAILED WITH THE BEARING SHELLS BROKEN IN HALF. TRANSVERSE CRACKS WERE FOUND AROUND THECRANKSHAFT NO2 MAIN JOURNAL WITH CATASTROPHIC FAILURE IMMINENT.SDR AUS20010904Stud · sheared(AUS) LH ENGINE NO4 CYLINDER HOLDDOWN STUDS (3OFF) SHEARED. FOLLOWING REMOVAL OF THE CYLINDER THE CRANKCASE WAS FOUND TO BE CRACKED THROUGH THE AREA OF THE HOLDDOWN STUDS.SDR AUS20010875Bearing · delaminated(AUS) ENGINE FRONT MAIN BEARING DEFECTIVE. BEARING MATERIAL APPEARS TOBE DELAMINATED FROM BEARING SHELL. METAL CONTAMINATION OF OIL SYSTEM. SUSPECT MANUFACTURING FAULT.SDR 2001FA0000212Crankshaft · brokenCRANKSHAFT FRONT MAIN JOURNAL, FRACTURED AT THE REAR RADIUS OF THE CRANKSHAFT FLANGE. PROPELLER SEPARATED FROM THE AIRCRAFT. LOSS OF OIL AND OIL PRESSURE, ENGINE SEIZED UP AND QUIT. THIS CRANKSHAFT WAS PURCHASED BY THE AIRPLANES INSURANCE COMPANY AT THE LASSDR CA030709005Bushing · worn(CAN) ENGINE REMOVED FROM VIBRATION. ENGINE COUNTERWEIGHT BUSHINGS WORN OUT.SDR 2001FA0000163Stud · brokenFOUND BROKEN CYLINDER BASE STUD ON NR 4 CYLINDER. AFTER REMOVING BROKEN STUD, FOUND TWO OTHERS BENT, SENT STUDS FOR EVALUATION TO SEE IF THEY MET DESIGN INTENT. THE STUDS DID NOT MEET SPECIFICATIONS.SDR AUS20010882Crankcase · damaged(AUS) ENGINE CRANKCASE DAMAGED. NO3 CYLINDER EXHAUST TAPPET BODY ALSO DAMAGED.SDR 2001FA0000193Crankcase · crackedAT INSPECTION AN AREA OF OIL IS NOTICED BEHIND PROP- IT APPEARS TO LOOK LIKE THE SPLIT CASE SEAM IS LEAKING. CLEAN AREA AND USE NDT DEVELOPER. RUN-UP PLANE AND CRACK APPEARS. THERE ARE SEVERAL STYLES OF CASE FOR THIS ENGINE. BUT ON A CERTAIN STYLE SEEMS TOSDR NACA20010028Cam · failedNR 2 ENGINE NR 16 CYLINDER DOUBLE SHORTED SECONDARY, (FRONT CAM FAILURE). REPLACED NR 2 ENGINE.SDR 2001FA0000146Connecting Rod · gougedFACTORY REBUILT ENGINE WITH 3.3 TTIS WAS BEING DISASSEMBLED FOR INSPECTION DUE TO A PROPELLER STRIKE. ONE OF THE #6 CONNECTING ROD BOLTS COULD NOT BE REMOVED WITH REASONABLE PRESSURE AND HAD TO BE DRIVEN OUT OF THE CAP. INSPECTION OF THE BOLT REVEALED THAT A
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