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 CA031002005Crankshaft · corroded(CAN) CRANKSHAFT FAILED SB 505. AFTER REMOVAL OF PROTECTIVE COATING, CRANKSHAFT FOUND CORRODED. ALSO AREA FOUND TO HAVE BEEN MACHINED TO LARGEST DIAMETER PERMITTED BY SB 505. THIS IS ONE OF MANY FOUND DURING OVERHAUL, SB 530 DOES NOT SEEM TO BE WORKING.SDR 2003FA0000981Connecting Rod · nickedDURING ENGINE INSPECTION FOR DEBRIS IN OIL FILTER FOUND NUMBER 3 CONNECTING ROD CAP TO HAVE DEEP NICK OR GOUGE.SDR CA040622003Crankcase · cracked(CAN) CRANKCASE WAS DISCOVERED CRACKED NEAR OIL CAP LOCATION. CRANKCASE REPLACED.SDR CA031014003Plug · worn(CAN) END PLUG IN QUESTION WAS WORN AWAY TO NO MORE THAN .030 OF AN INCH. AT WHICH POINT THE STEEL WRIST PIN WOULD HAVE BEEN WEARING HARDON THE CYLINDER WALL, IF THE ALUMINUM PIN WORE ANYMORE. ALSO NOTED, THE WRIST PIN MOVED ALL THE WAY OVER TOTHE WORN SIDE. SDR 092503Rod Bearing · failedAT CLIMB POWER 10 MINUTES OUT OF GSO ENROUTE TO BIV RT ENGINE OIL TEMP. WENT TO 100 C, OIL PRESSURE DROPPED TO 40 PSI. AIRCRAFT RETURNED TO GSO. SUSPECTED MASTER ROD BEARING FAILURE. METAL FOUND IN OIL SCREEN AND OIL TANK.SDR CA031015016Shaft · loose(CAN) CRANKSHAFT IDLER GEAR SHAFT P/N 61151 FOUND LOOSE AT ENGINE DISASSEMBLY. 2 BOLTS STD-705 UNLOOKED, BACK OFF 2C3 THREADS. LOCKPLATE 73817 NOT BENT FAR ENOUGH ONBOLT HEAD. THIS ENGINE WAS REBUILT.SDR AUS20030968Tappet · cracked(AUS) TAPPETS (8OFF) CRACKED AROUND INSIDE OF PLUNGER BODY.SDR 2003FA0001100Connecting Rod · failedNR 6 CONNECTING ROD OR BEARING FAILED.(K)SDR 2003FA0001121Lifter · damagedDURING A SCHEDULED 50 HOUR OIL CHANGE. STEEL WAS FOUND IN OIL SCREEN. SUSPECTED SOURCE OF STEEL WAS COMING FROM LIFTERS. INSPECTED NR 5 CYLINDER LIFTERS THROUGH OIL FILLER NECK AND FOUND DAMAGED LIFTERS. REMOVED LIFTERS FROM ENGINE. ALL INTAKE LIFTERS WERSDR 2003FA0001039Bearing · meltedNR 2 CYLINDER CONNECTING ROD FAILED AT THE CRANKSHAFT DUE TO OIL STARVATION AOF THE CONNECTING ROD BEARING. POSSIBLE OIL QUICK DRAIN VALVE OPENED IN FLIGHT AND DEPLETED ENGINE OIL SUPPLY.SDR 2003FA0000961Crankshaft · fracturedTHE CRANKSHAFT APPEARS TO HAVE FRACTURED AT THE CRANK PIN. SEPARATING THE CRANK PIN AND ROD ASSEMBLY FROM THE PROPELLER SHAFT. THE AIRCRAFT WAS IN THE PROCESS OF BEING FERRIED CROSS COUNTRY. THE AIRCRAFT IS USED FOR AEROBATIC PERFORMANCES. (SW15200318971)SDR AUS20030914Bolt · sheared(AUS) CRANKCASE THROUGH BOLT LOCATED AT NO1 CYLINDER FORWARD LOWERPOSITION SHEARED.SDR 2003FA0001006Crankshaft · brokenCRANK BROKE ON NR 4 AND NR 6 CHEEK.SDR CA030908003Engine · seized(CAN) ENGINE SEIZED. INFLIGHT EMERGENCY UDE AT 1200 FT ASL. AIRCRAFT LANDED UNDAMAGED ON FLOATS. OIL TANK LEVEL CONFIRMED AT 5 QAL. CAUSE UNKNOWN AT THIS TIME.SDR 2004FA0000091Piston · failedTHE PISTON WAS INSTALLED NEW AT TIME OF MAJOR OVERHAUL. ONE SIDE OF PISTON SKIRT, AT LOWER SCRAPER RING BROKE AWAY AND BECAME SMALL CHUNKS OF ALUMINUM, AND RING PIECES IN THE OIL PAN. THE PROBLEM WAS DETECTED BY APPROX 5 EACH. .020 X .040 PIECES OF CAST ALUSDR CA030828006Crankshaft · sheared(CAN) PILOT DEPARTED NORWAY HOUSE FOR WINNIPEG. AFTER REACHING CRUSE ALTITUDE THE L/H ENGINE RAN ROUGH FOR A SHORT PERIOD OF TIME THEN FEATHERED ON ITS OWN AND SHUT DOWN. THE PILOT RETURNED TO NORWAY HOUSE AND LANDED UNEVENTFULLY. ON THE GROUND IT WAS DETERMINSDR XGN2003F00002Crankcase · crackedCRACK WAS DISCOVERED WHILE LOOKING FOR OIL LEAK DURING 100 HOUR INSPECTION. THIS HAS BEEN GOING ON FOR YEARS WITH MFG ENGINES. THEIR ATTEMPTS OF HEAVIER CRANKCASES AND 7TH STUD APPLICATIONS HAVE DOEN NOTHING TO GET RID OF THE PROBLEM.SDR CA030903001Case · cracked(CAN) PILOT REPORTED ENGINE OIL ON NR 1 COWL WHEN COWL WAS REMOVED IT WAS NOTICED THAT THERE WAS OIL ON TOP OF THE NR 6 CYL. HOLD DOWN STUDS. AFTER THE ENGINE WAS CLEANED IT WAS GROUND RUN AND THE OIL APEARED TO BE COMING FROM AROUND THE STUD BUT AFT ER FURTHSDR CA03081300APiston · damaged(CAN) AT INSPECTION, A VERY SMALL AMOUNT OF FERROUS MATERIAL FOUND IN PRESSURE FILTER. ADDITIONAL INSPECTION FOUND A PISTON WITH BROKEN TOP COMPRESSION RING. INSPECTION OF OTHER PISTONS FOUND THEM TO HAVE BEEN WORN BEYOND LIMITS IN THE TOP RING GROOVE WIDTH. SDR 2003FA0000838Camshaft · spalledFOUND EVIDENCE OF SEVERE SPALLING ON SEVERAL CAM LOBES. ENGINE HAS 998.37 HOURS SINCE OVERHAUL. CAM WAS REGROUND AT OVERHAUL.SDR 2003FA0000848Camshaft · spalledCAMSHAFT, FOUND EVIDENCE OF SEVERE SPALLING ON SEVERAL CAM LOBES. ENGINE HAD APPROX 750 HOURS ON A FACTORY OVERHAUL.SDR 2003FA0000843Case Half · leakingDURING ENGINE ANNUAL INSPECTION, FOUND 3 EA CYLINDER MOUNT THROUGH BOLTS LEAKING. SUSPECT FRETTING CORROSION BETWEEN CASE HALVES. ENGINE REMOVED FOR REPAIR.SDR T1O2003F00000Crankshaft · failedCRANKSHAFT FRACTURED AT NR 2 CHECK. ENGINE TORN-DOWN. CRANKSHAFT AND OTHER ENGINE COMPONENTS SENT TO MFG ANALYSIS LAB. CRANKSHAFT HAD PREVIOUSLY UNDERGONE AND PAST METALURGY INSPECTION IAW MSB-00-5D AND AD 200-23-26. MORE STRINGENT TESTING ON ENTIRE SHAFT SDR 2003FA0001223Piston · destroyedAT DISMANTLING THIS ENGINE WE FOUND NR 5 PISTON SKIRT TO BE BROKEN AT THE RING LAND FOR THE SCRAPER RING.SDR CA030905003Engine · failed(CAN) THE AIRCRAFT WAS IN CRUISE FLIGHT A LOUD BANG WAS HEARD. THE PILOT CARRIED OUT AN UNSCHEDULED LANDING. THE AIRCRAFT WAS CHECKED BY MAINTENANCE AND THE OIL SCREEN WAS FOUND TO HAVE METAL PARTICLES. THE AIRCRAFT WAS FLOWN TO A MAINTENANCE FACILITY WHERE THSDR CA030904003Link · broken(CAN) THE AIRCRAFT WAS IN CRUISE FLT WHEN THE ENGINE ABRUPTLY FAILED. THE AIRCRAFT CARRIED OUT AN UNSCHEDULED LANDING. MAINTENANCE DISCOVERED A BROKEN LINK ROD AND THE ENGINE WAS REPLACED.SDR CA030729006Rod Cap · broken(CAN) DURING CRUISE THE PILOT NOTICED A SLIGHT VIBRATION IN LT ENGINE AND A STRANGE NOISE THEN HE NOTICED OIL COMING OUT OF THE ENGINE COWL. THE ENGINE WAS SHUT DOWN AND PROP FEATHERED AND THEN LANDED AT THE NEAREST AIRPORT WITH NO FURTHER PROBLEMS. INSPECTIONSDR AUS20030721Connecting Rod · cracked(AUS) CONNECTING ROD CONTAINED A CRACK INDICATION ADJACENT TO THE LITTLE END. LENGTH OF CRACK APPROXIMATELY 6.35MM (0.25IN). CAP ON ANOTHER CONNECTING ROD CONTAINED CRACK INDICATION ADJACENT TO BOLT HOLE. CRACK LENGTH 3.175MM (0.125IN). CRACKS FOUND DURINGMAGNSDR CA030806007Lifter · worn(CAN) METAL FOUND IN FILTER DURING INSPECTION AFTER 62.3 HOURS SINCE OVERHAUL. ENGINE DISMANTLED CAMSHAFT AND LIFTERS FAILED.SDR AUS20030719Rod Bearing · delaminated(AUS) CONNECTING ROD BEARING DELAMINATED. METAL CONTAMINATION OF OIL FILTER.SDR CA030731009Bolt · loose(CAN) ON OVERHAUL DISASSEMBLY OF THE ENGINE, WE NOTICED THAT THE TWO BOLTS HOLDING THE IDLER GEAR SHAFT UNSCREWED AND THE LOCK PLATES HALF WAY ON THE BOLTS. THIS PROVOKE THE WITHDRAWAL OF THE IDLER GEAR AND CAUSED AN ENGINE SHUTDOWN. THE MANUFACTURER PERFORMEDSDR 2003FA0000828Connecting Rod · brokenAIRCRAFT MADE EMERGENCY LANDING. NR 3 CONNECTING ROD BROKE, CAUSING A HOLE TO BE PUNCHED IN THE CRANKCASE AND DESTROYING THE CAM FOLLOWER AREA. CAUSE OF FAILURE HAS NOT BEEN DETERMINED.SDR AUS20030694Bolt · faulty(AUS) CONNECTING ROD BOLT FAULTY. LONGITUDINAL DISCONTINUITY FOUND DURING MAGNETIC PARTICLE INSPECTION IAW AD/ENG/4 AMDT8.SDR AUS20030690Connecting Rod · damaged(AUS) NR 2 CYLINDER CONNECTING ROD PN 655004 BIGEND CAP CONTACTING CAMSHAFT PN 653056 NR 2 CYLINDER EXHAUST LOBE. INSPECTION FOUND A SIMILAR PROBLEM WITH NR 6 CYLINDER CONNECTING ROD BIG END CAP.SDR AUS20030763Crankshaft · faulty(AUS) CRANKSHAFT FAILED ULTRASONIC INSPECTION. FOUND DURING MAGNETIC PARTICLE INSPECTION IAW AD/DHE/18 AMDT5.SDR AUS20030703Connecting Rod · cracked(AUS) CONNECTING ROD CONTAINED A CRACK INDICATION ON THE SHANK BELOW THE LITTLE END.SDR AUS20030659Rod Bearing · worn(AUS) CONNECTING ROD LITTLE END BEARING MOVED AND WORE ON PISTON. INVESTIGATION FOUND TWO MORE LITTLE END BEARINGS LOOSE.SDR CA030626008Beam · bent(CAN) THE MAIN BEAM ON THE NR 2 & 6 CONNECTING RODS WERE BENT. NR 5 WAS THE MOST SEVERE. POSSIBLE CAUSE IS HYD LOCKING.SDR XGN2003F00001Crankcase · crackedCRACK WAS DISCOVERED WHILE LOOKING FOR THE SOURCE OF AN OIL LEAK.SDR CA030626006Camshaft · worn(CAN) THE ENGINE WAS SENT IN FOR CAMSHAFT CHANGE DUE TO CAMSHAFT FAILURE. THE CAMSHAFT WAS FOUND TO HAVE SEVERE WEAR ON THE NR 1 & 2 INTAKE LOBE. REPLACED WITH A FACTORY NEW CAMSHAFT.SDR CA030626003Camshaft · spalled(CAN) THE ENGINE WAS SENT IN FOR A PROP STRIKE INSPECTION. AFTER DISASSEMBLY THE CAMSHAFT WAS FOUND TO HAVE AN UNACCEPTABLE AMOUNT OF SPALLING ON THE NR 1 EXHAUST LOBE AND ON BOTH INTAKE LOBES. THE CAM AND LIFTERS WERE REPLACED WITH A MFG FACTORY NEW KIT.SDR CA030626005Camshaft · spalled(CAN) THE ENGINE WAS SENT FOR INSPECTION DUE TO METAL CONTAMINATION. AFTER DISASSEMBLY THE CAMSHAFT WAS FOUND TO HAVE SPALLING ON ALL THE LOBES, THE INTAKE LOBES BEING THE WORST. THIS SPALLING WAS THE CAUSE OF THE METAL CONTAMINATION. THE CAMSHAFT WAS REPLACEDSDR CA030626007Camshaft · spalled(CAN) THE ENGINE WAS SENT IN FOR INSPECTION DUE TO METAL CONTAMINATION. TWO PROBLEMS WERE DISCOVERED. FIRST, THE CONNETING ROD CAPS WERE CONTACTING THE OPPOSING PISTON SKIRTS, THE CAPS WERE FOUND TO BE APPROXIMATELY .020 THICKER THAN SEVERAL OTHERS MEASURED. TSDR 2003FA0000664Stud · brokenTWO 38-13 STUDS BROKEN N NR 2 CYLINDER TOP. 1940 HOURS SMOH.SDR CA030605006Crankcase · cracked(CAN) OIL LEAK DISCOVERED AT 100 HOUR INSPECTION. NR 3 CYLINDER REMOVED UPON INSPECTION OF CRANK CASE FOUND 2 CRACKS AT AFT 2 STUDS OF CYLINDER NR 3. OWNER NOTIFIED, ENGINE TO BE REMOVED.SDR CA030604005Insert · blew out(CAN) IN FLIGHT, NOSE CASE PLUG INSERT BLEW OUT PUMPING ENGINE OIL OVERBOARD. ENGINE WAS SMOKING AND OIL STREAMING NECESSITATED ENGINE SHUT DOWN, PROP FEATHER, AND AIRCRAFT RETURNING TO AIRPORT. NOSE CASE REPLACED WITH A SERVICEABLE UNIT.SDR CA030606008Crankshaft · failed(CAN) COUNTERWEIGHT BLADE BUSHINGS AND BORE WORN (LOOSE) BEYOND REPAIRABLE LIMITS. PROP GOVERNOR GEAR P/N 70389 HAD FAILED.SDR CA060206011Piston Ring · seized(CAN) AIRCRAFT WAS AIRBORNE FOR APPROXIMATELY 10 MINUTES WHEN ENGINE OIL TEMPERATURE OBSERVED HIGHER THAN USUAL. ENGINE SEEMED TO RUN ROUGH, AIRCRAFT RETURNED TO AIRPORT AND LANDED WITHOUT INCIDENT. UPON INSPECTION FOUND NR 6 CYLINDER IN AN ALMOST SEIZED CONDISDR CA030606007Crankshaft · cracked(CAN) CRACKS FOUND IN THRUST AREA OF CRANKSHAFT CAUSED BY EXCESSIVE END CLEARANCE OF CRANKSHAFT (IN CRANKCASE).SDR 2003FA0000525Plug · looseWHILE PRACTICING TOUCH AND GOES, THE INSTRUCTOR NOTICED A THIN FILM OF OIL ON THE WINDSHIELD. IT QUICKLY GOT WORSE. MADE EMERGENCY LANDING. MAINTENANCE DISCOVERED THE CRANKSHAFT PLUG HAD COME LOOSE. OIL LEVEL WAS AT 4.5 QTS. REPLACED CRANK PLUG, CHECKED E
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