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.

SDR 20000803SH012Crankshaft · brokenRIGHT ENGINE CRANKSHAFT BROKE IN CRUISE FLIGHT 15,000 FEET, 31 FEET MP, 2,300 RPM, NR 1 PISTON NOT MOVING WHEN PROPELLER IS TURNED. NR 5 CYLINDER, NO COMPRESSION. METAL FOUND IN OIL FILTER AND GOVERNOR GASKET SCREEN. (X)Jul 17, 2000 · N1920E · Cessna 340ASDR 20000720SH015Crankshaft · crackedCRANKSHAFT CRACKED AND FAILED JUST AFT OF FLANGE AND PROPELLER SEPARATED FROM AIRCRAFT WHILE IN-FLIGHT. (X)Jul 14, 2000 · N73100 · Cessna 207ASDR 20000809SH002Rod · fracturedDURING AGRICULTURAL SPRAYING OPERATION, NR 7 ROD ASSY FAILED FORCING AIRCRAFT TO EMERGENCY LANDING AND SUBSEQUENT SUBSTANTIAL AIRCRAFT DAMAGE. REF: ACCIDENT REPORT NR LAX00LA271. (X)Jul 13, 2000 · N4508Y · Airtrc AT401SDR 20000713SH009Case · crackedCASE FOUND CRACKED AT NR 5 CYLINDER STUD NR 3, NUT ON STD NR 7 LOOSE AND STUD NR 8 PULLED FROM CASE AND RESTING ON CYLINDER COOLING FINS. (X)Jul 13, 2000 · N1865L · Beech 58TCSDR CA000828009Shaft · loose(CAN) IDLER GEAR SHAFT FOUND LOOSE IN ENGINE CASE ALLOWING IDLER GEAR TO CONTACT CASE CAUSING METAL CONTAMINATION.Jul 6, 2000 · Cessna 172PSDR 20000728SH004Crankshaft · brokenNR 4 COUNTERWEIGHT DEPARTED CRANKSHAFT AND PUNCHED HOLE IN TOP OF CASE AFTER TAKEOFF. RETURNED TO PHI AND LANDED SAFELY. SUBMITTER STATED THIS APPEARS TO BE A CONTINUING PROBLEM WITH THIS ENGINE. (X)Jul 3, 2000 · N252MA · Piper PA31PSDR AU000511Lifter · worn(AUS) HYDRAULIC VALVE LIFTERS (TAPPETS) WORN AND PITTED. EVIDENCE OF PITTING ON THE CAMSHAFT. (X)Jun 29, 2000 · Cessna 182PSDR 20000712SH048Crankshaft · brokenDURING TAKEOFF, ENGINE QUIT WHEN AIRCRAFT WAS AT 200 FEET AGL. AIRCRAFT CRASHED INTO A SWAMP. AIRCRAFT WAS DESTROYED, OCCUPANTS RECEIVED MINOR INJURIES. DURING POST-CRASH INVESTIGATION, THE ENGINE CRANKSHAFT WAS FOUND BROKEN AT THE NR 3 ROD BEARING JOURNAL Jun 28, 2000 · N8189T · Piper PA28161SDR 20000830SH031Bearing · failedENGINE (106.6 HOURS SINCE NEW) FAILED WHILE AT CRUISE RESULTING IN AN EMERGENCY DESCENT AND LANDING AT ALB. RESULTS OF ENGINE SERVICE TEARDOWN INSPECTION AND TECHNICAL REPORTS DATED 7/5/2000 AND 7/27/2000 FROM TEXTRON LYCOMING FOUND THE CRANKSHAFT ROD JOURNALJun 27, 2000 · N92939 · Piper PA46350PSDR 20000707SH003Crankshaft · brokenRIGHT ENGINE CRANKSHAFT BROKE IN CRUISE FLIGHT 15,000 FEET, 2,300 RPM. NR 1 PISTON NOT MOVING WHEN PROPELLER IS TURNED. NR 5 CYLINDER, NO COMPRESSION. METAL FOUND IN OIL FILTER AND GOVERNOR GASKET SCREEN. (X)Jun 23, 2000 · N1920E · Cessna 340ASDR 20000720SH004Nut · brokenNR 5 CYLINDER ROD CAP CAME OFF. BOTH ROD BOLTS WERE BROKEN. THE CYLINDER WAS BROKEN AND SEPARATED FROM CRANKCASE AT ITS FLANGE. (X)Jun 21, 2000 · N304JT · Gulstm 500BSDR 20000720SH003Rod Bolt · brokenNR 5 CYLINDER ROD CAP CAME OFF. BOTH ROD BOLTS WERE BROKEN. THE CYLINDER WAS BROKEN AND SEPARATED FROM CRANKCASE AT ITS FLANGE. (X)Jun 21, 2000 · N304JT · Gulstm 500BSDR 20000719SH017Rod Bolt · brokenROD CAP CAME OFF NR 2 CYLINDER AS A RESULT OF EITHER SL74644 BREAKING OR SL128186 NUT BACKING OFF. (X)Jun 21, 2000 · N780SP · Gulstm 500BSDR 20000627SH008Bolt · failedCONNECTING ROD CAP BOLT FAILED RESULTING IN ROD FAILURE WHICH BROKE OUT A 6 INCH BY 4 INCH HOLE IN THE CASE. THIS WAS AN IN-FLIGHT FAILURE. THE AIRCRAFT MADE A SAFE ON AIRPORT LANDING. (X)Jun 20, 2000 · N33LJ · Cessna 152SDR AU000562Crankshaft · faulty(AUS) CRANKSHAFT DEFECTIVE. FOUND DURING INSPECTION AND CORE SAMPLING IAW AD/CON/80.Jun 17, 2000 · Cessna U206GSDR 20000626SH009Crankshaft · brokenAIRCRAFT INVOLVED IN AN ACCIDENT BECAUSE OF AN ENGINE FAILURE. THE ENGINE WAS DISASSEMBLED BY THE MANUFACTURER WITH THE FOLLOWING FINDINGS. THE WRONG PART NUMBER CRANKSHAFT WAS INSTALLED IN THE ENGINE. THE SLUDGE TUBES, P/N 71577, WERE NOT INSTALLED ON THEJun 15, 2000 · N6715U · Mooney M20CSDR 20000711SH002Nut · separatedLEFT ENGINE LOST OIL PRESSURE. FEATHERED IN-FLIGHT. DISASSEMBLED ENGINE. ROD, P/N 75061, ON NR 4 CYLINDER BROKEN AND IT LOOKS AS IF ONE NUT CAME LOOSE CAUSING THE FAILURE. (X)Jun 14, 2000 · N524HW · Gulstm 500BSDR 20000717SH010Crankshaft · failedENGINE BEGAN RUNNING ROUGH AND THEN THE PROPELLER LOCKED IN THE VERTICAL POSITION. POST-INCIDENT INSPECTION OF THE ENGINE REVEALED THE CRANKSHAFT HAD FAILED. (X)Jun 10, 2000 · N9830K · Univar 1082SDR WVBA00500Camshaft · damagedDURING INSPECTION, BOTH CYLINDERS NR 1 AND NR 2 HAD LOW COMPRESSION. UPON REMOVING CYLINDERS INTAKE LOBES OF CAMSHAFT HAD EXTREME WEAR. THE TAPPET FACES WERE ALSO SPALLED. OVER PAST YEAR, THERE HAS BEEN FOUR SIMILAR PROBLEMS. SUBMITTER SUSPECTED PROBLEM INJun 9, 2000 · N59764 · Piper PA31350SDR 20000817SH020Crankshaft · inadequatePER TCM MSB 00-5B, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)Jun 6, 2000 · N61599 · Cessna U206FSDR CA000621010Bearing · making metal(CAN) UPON REGULAR 200 HR ON CONDITION INSP, STEEL & ALUMINUM, BABBITT PARTICLES FOUND IN OIL & FILTER. PISTONS & CYLINDERS PULLED & INSP. NO EVIDENCE OF PART FAILURE: GEARBOX REMOVED, SLIGHT FRETTING OF VALLEYS ON DOGS - ADJUSTED FRICTION. ENGINE RE-ASSEMBLEDJun 1, 2000 · Diamon DA20A1SDR 20000912SH030Lifter · failedTHE FAILURE OCCURRED IN-FLIGHT RESULTING IN A FORCED LANDING. POSSIBLE CAUSE FROM FRACTURE OF LIFTER BODY. (X)May 31, 2000 · N694BK · Cessna A185ESDR AU000420Nut · cracked(AUS) NR 5 CYLINDER THROUGH BOLT NUT SPLIT.May 29, 2000 · Cessna 182PSDR CA000606036Exhaust Valve · broken(CAN) IN-FLIGHT, THE ENGINE WAS RUNNING ROUGH. NR 3 CYLINDER SPARK PLUGS FOUND BROKEN. NR 3 CYLINDER MOVED AND REPLACED BY OVERHAULED ONE (EXHAUST VALVE FOUND BROKEN).May 26, 2000 · Cessna 150MSDR AU000529Bearing · failed(AUS) ENGINE NR 1 CONNECTING ROD BEARING SPINNING. METAL CONTAMINATION OF ENGINE OIL SYSTEM. (X)May 21, 2000 · Piper PA31350SDR 20000719SH014Crankshaft · failedPER TCM MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 19, 2000 · N3469Y · Cessna A185FSDR 20000602SH003Crankshaft · unserviceablePER TCM MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 12, 2000 · N4UA · Cessna 180ASDR 20000602SH002Crankshaft · unserviceablePER TCM MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 12, 2000 · N2216F · Cessna U206GSDR AU000354Nut · cracked(AUS) RIGHT ENGINE NR 6 CYLINDER HOLDDOWN NUT CRACKED. LOSS OF TENSION ON THROUGH BOLT.May 10, 2000 · Cessna 310RSDR CA000516021Pushrod · damaged(CAN) STEEL ENDS OF PUSH RODS DAMAGING ALUMINUM TUBES. LYCOMING SB 453 ADDRESSES ISSUE. LYCOMING HAS SINCE SWITCHED TO ALL STEEL PUSH RODS.May 8, 2000 · Cessna 152SDR 20000602SH005Crankshaft · damagedPER TCM MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 8, 2000 · N9028C · Cessna 180SDR 20000602SH004Crankshaft · unserviceablePER TELEDYNE CONTINENTAL MOTORS MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 8, 2000 · N4447Z · Cessna U206ESDR 20000602SH006Crankshaft · unserviceablePER TCM MSB 00-5, CRANKSHAFT WAS REJECTED BY TELEDYNE CONTINENTAL MOTORS. (X)May 2, 2000 · N6688H · Cessna A185FSDR 20000524SH016Rod Bolt · failedAIRCRAFT ENGINE OIL TEMPERATURE AT 200 DEGREES. LOSS OF OIL PRESSURE AT NORMAL CRUISE MADE OFF-AIRPORT LANDING. FOUND NR 1 PISTON ROD HAD FAILED. POSSIBLE CAUSE FOR FAILURE, SUPERIOR ROD CAP BOLT FAILED CAUSING ROD TO COME LOOSE, KNOCK HOLE IN ENGINE CASE. Apr 28, 2000 · N47977 · Piper PA32R300SDR 20000516SH015Stud · brokenBOTH FORWARD AND AFT STUDS BROKEN HALF WAY OUT THROUGH .4375 INCH - 20 INCH THREADS. (X)Apr 27, 2000 · N730P · Cessna T210MSDR CA000511017Pushrod · fractured(CAN) #8 CYLINDER PUSH ROD FRACTURED COMPLETELY, 2 FROM LIFTER END. ENDS WERE MUSHROOMED FROM SUBSEQUENT RUNNING.Apr 26, 2000 · Cndair CL2151A10SDR 20000530SH007Connecting Rod · failedBDL - RT ENGINE ROUGH, THEN PILOT SHUT ENGINE DOWN. FOUND NR 5 CYLINDER CONNECTING ROD FAILED. CAUSE UNKNOWN AT THIS TIME. REMOVED AND REPLACED ENGINE ASSY. (X)Apr 26, 2000 · N6896B · Piper PA60600SDR CA000505013Crankcase · cracked(CAN) CRANKCASE FOUND TO BE A LIGHT DUTY CASE.ENGINE SHOP DISCARDED CASE AND REPLACED IT WITH A NEW HEAVY CASE.Apr 20, 2000 · Cessna 337BSDR 20000531SH005Case · crackedCASE CRACKED ON LEFT HALF UPPER AT BACK ABOVE SPLIT, THE 5TH BOLT FROM REAR. (X)Apr 19, 2000 · N4050Q · Cessna 421BSDR CA000427005Plug · backed out(CAN) EXPANSION PLUG AT FRONT OF CRANKSHAFT HAD COME LOOSE ALLOWING OIL TO LEAK OUT.Apr 10, 2000 · Cessna 172PSDR 20000505SH006Connecting Rod · bentNR 6 EXHAUST PUSHROD BENT, BROKEN AND WORN HALFWAY THRU FROM RUBBING ON INSIDE OF THE PUSHROD HOUSING. NR 6 INTAKE PUSHROD BROKEN IN TWO. CYL HAS 190 HRS SINCE NEW AND BOTH VALVES MOVED FREELY IN GUIDES. NR 6 CONNECTING ROD FOUND VISIBLY BENT. INTAKE MANIFApr 5, 2000 · Beech 95A55SDR AU000134Camshaft · spalled(AUS) CAMSHAFT LOBES AND ASSOCIATED LIFTER BODIES EXCESSIVELY SPALLED.Apr 4, 2000SDR 20000425SH039Drive Gear · brokenPILOT WAS IN-FLIGHT WHEN ENGINE FAILED. PILOT PERFORMED EMERGENCY PROCEDURES AND RETURNED TO AIRPORT. INSPECTION REVEALED THE GOVERNOR DRIVE GEAR HAD FAILED. GOVERNOR DRIVE GEAR ALSO DRIVES THE ENGINE DRIVEN FUEL PUMP WHICH, WHEN GEAR FAILED, TOOK THE ENGINApr 3, 2000 · N47445 · Piper PA28R201TSDR CA000410037Connecting Rod · broken(CAN) CONNECTING ROD FAILURE.Mar 27, 2000 · Cessna 150LSDR AU000446Crankshaft · broken(AUS) ENGINE FAILURE. SUSPECT BROKEN CRANKSHAFT.Mar 20, 2000 · Gulstm 500SSDR 20000414SH007Bolt · missingFOUND CRANKSHAFT DRIVE GEAR ATTACHING BOLT MISSING AFTER REMOVAL OF REAR HOUSING FOR OIL PUMP GEAR REPLACEMENT. REPLACED GEAR, DOWEL PILOT, BOLT AND LOCKPLATE. (X)Mar 15, 2000 · N8804J · Piper PA28180SDR 2000ZZZX625Manifold · crackedDURING ANNUAL INSPECTION, A CRACK EXTENDING ABOUT 2 INCHES EACH SIDE OF THE THREADED BOSS. THE BOSS HAD BEEN DRILLED AND TAPPED FOR A HELICOIL. THREADED BOSS IS FOR ATTACHING THE INTERCOOLER.Mar 14, 2000 · N3121K · Cessna 421SDR 20000504SH025Crankshaft · failedENGINE IN-FLIGHT FAILURE DUE TO BROKEN CRANKSHAFT. THIS CRANKSHAFT INSTALLED AS NEW ON MAY 4, 1999 TO REPLACE PREVIOUS NEW CRANKSHAFT AFFECTED BY AD 99-19-01. THIS S/N CRANCKSHAFT, SN B129901N, IS NOT IN AD. CRNAKSHAFT S/N''S IN AD GO THROUGH 12-1998. (X)Mar 9, 2000 · N69520 · Cessna 340CESSNASDR 20000407SH033Crankcase · crackedCRANKCASE CRACKED FROM BASE OF NR 4 CYLINDER ACROSS THE TOP OF THE BACKBONE TO THE BASE OF NR 3 CYLINDER. CAUSE UNKNOWN AT THIS TIME. (X)Mar 6, 2000 · N661CE · Cessna 414SDR AU000133Camshaft · spalled(AUS) CAMSHAFT LOBES AND ASSOCIATED LIFTER BODIES EXCESSIVELY SPALLED.Mar 3, 2000
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