Lycoming O-320-D2J
Service difficulty reports · 291
Newest first. General aviation reporting is voluntary.
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 engine_model_key = 'O320D2J' 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 engine_model_key = 'O320D2J' 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 CA980928001Crankshaft · pitted(CAN) TO COMPLY WITH AD 98-02-08, IN ACCORDANCE WITH LYCOMING SERVICE BULLETIN 505B, PITTING WAS NOTED ON THE INTERNAL BORE OF THE CRANKSHAFT. FPI CARRIED OUT, NO CRACKS WERE FOUND.SDR CA980908006Spark Plug · cracked(CAN) WHILE DOING CIRCUITS, THE ENGINE BEGAN TO RUN ROUGH WITH PARTIAL POWER LOSS. THE AIRCRAFT LANDED AND POST-FLIGHT INSPECTION FOUND NR 3 CYLINDER HAD 2 DEAD SPARK PLUGS AND NR 4 CYLINDER HAD A SPARK PLUG WITH BROKEN CERAMIC. ALL THE ENGINE SPARK PLUGS WESDR 98ZZZX3484Float · failedPILOT REPORTED ENGINE RUNNING ROUGH. FOUND FUEL DRIPPING FROM CARBURETOR HEAT BOX. DISASSEMBLY OF CARBURETOR REVEALED BRASS FLOAT HAD LEAKED AND SUNK RESULTING IN EXTREME RICH MIXTURE. REPLACED FLOAT ASSEMBLY.SDR 98ZZZX3485Valve · crackedWHILE REPLACING FLOAT AND LEVER ASSY, FOUND RUBBER TIP OF FLOAT VALVE CRACKED AND DETERIORATED. REPLACED UNIT.SDR 98ZZZX1997Shaft · brokenREMOVED SUCTION SCREEN FOUND CHUNK OF METAL. REMOVED MAGS, LEFT IDLER GEAR 'LOOSE'. REMOVED ACCESSORY CASE, SHAFT-CRANKSHAFT IDLER BASE BROKEN.SDR CA980819004Crankshaft · pitting(CAN) PITTING CORROSION FOUND DURING INSPECTION IN ACCORDANCE WITH AD 98-02-08. LIQUID PENETRANT INSPECTION CARRIED OUT. NO CRACKS EVIDENT. CRANKSHAFT IS ON 100 HOUR RE-INSPECTION CYCLE.SDR CA980819002Crankshaft · pitting(CAN) PITTING CORROSION FOUND DURING INSPECTION IN ACCORDANCE WITH AD 98-02-08. LIQUID PENETRANT INSPECTION CARRIED OUT. NO CRACKS EVIDENT. CRANKSHAFT IS ON 100 HOUR RE-INSPECTION CYCLE.SDR 98ZZZX1675Valve Guide · defectiveON TAKEOFF, A MOMENTARY ENGINE ROUGHNESS PROMPTED THE PILOT TO ABORT TAKEOFF. THE AIRCRAFT EXCEEDED RUNWAY LENGTH AND STRUCK AN ANTENNA. INSPECTION OF THE ENGINE REVEALED A BUILD-UP OF CARBON IN THE NR 3 EXHAUST VALVE GUIDE. NOTE: ALL EXHAUST VALVE GUIDES SDR CA980415020Cylinders · failed(CAN) ON APPROACH, THE ENGINE EXPERIENCED POWER LOSS, WITH ENGINE PERFORMANCE DETERIORATING THE ENGINE FAILED AND THE AIRCRAFT GLIDED TO A SAFE LANDING. POST-FLIGHT ENGINE COMPRESSION TEST REVEALED ALL FOUR CYLINDERS HAD LOW COMPRESSION. THE CYLINDERS AND PISSDR CA980819003Crankshaft · pitting(CAN) PITTING CORROSION FOUND DURING INSPECTION IN ACCORDANCE WITH AD 98-02-08. LIQUID PENETRANT INSPECTION CARRIED OUT. NO CRACKS EVIDENT. CRANKSHAFT IS ON 100 HOUR RE-INSPECTION CYCLE.SDR 98ZZZX1448Valve Seat · damagedDURING AIRCRAFT RUN-UP, THE PILOT NOTICED THE ENGINE WAS RUNNING ROUGH. THE MECHANIC PULLED A COMPRESSION CHECK AND FOUND THAT NR 3 CYLINDER HAD NO COMPRESSION. FURTHER INVESTIGATING AND CYLINDER REMOVAL SHOWED THE EXHAUST VALVE SEAT INSIDE THE CYLINDER HAD SDR 98ZZZX771Crankshaft · crackedPART WAS REMOVED FROM INVENTORY AND PRECAUTIONARY MPI PERFORMED. CRACKS IN JOURNAL RADII WERE APPARENT. THIS UNIT WAS PREVIOUSLY GROUND AND POLLISHED BY AIR AGENCY. PART IS SCRAP.SDR 98ZZZX924Crankshaft · crackedPART REMOVED FROM INVENTORY AND PRECAUTIONARY MPI PERFORMED. CRACKS IN JOURNAL RADII WERE APPARENT. THIS UNIT WAS PREVIOUSLY GROUND AND POLISHED BY AIR AGENCY. PART IS SCRAP.SDR CA980311006Exhaust Valve · stuck(CAN) IN CRUISE AT 2,400 RPM THE ENGINE ABRUPTLY LOST 200 RPM AND BEGAN TO RUN VERY ROUGH. AFTER LANDING THE FAULT COULD NOT BE DUPLICATED. SUSPECT EXHAUST VALVE(S) STICKING INTERMITTENTLY. LYCOMING SERVICE BULLETIN 388B CARRIED OUT. ALL EXHAUST VALVE GUIDES WSDR 98ZZZX1127Cylinder · failedFOLLOWING 45 MINUTES OF FLIGHT, ENGINE BECAME ROUGH. CARBURETOR HEAT APPLIED, BUT ROUGHNESS THE SAME. APPLIED FULL POWER AND RETURNED AND ON SHORT FINAL, TOWER REPORTED HEAVY SMOKE. INSPECTION FOUND ENGINE HAD ONLY 3 QUARTS OF OIL LEFT. NR 1 CYLINDER PISTOSDR 97ZZZX3736Valve · stickingDURING CRUISE FLIGHT, PILOT REPORTED ROUGH RUNNING ENGINE. PILOT REDUCED POWER AND LANDED SAFELY WITHOUT INCIDENT. MECHANICS INSPECTING THE ENGINE DISCOVERED A SEVERELY BENT PUSH ROD AND HOUSING ON NR 1 CYLINDER. FURTHER INSPECTION REVEALED THE EXHAUST VALVSDR 97ZZZX1868Coil · shortedRIGHT MAGNETO ON ENGINE INOPERATIVE. NO ELECTRICAL OUTPUT. FOUND COIL AND SECONDARY COIL OHMS READING TO BE OUT OF TOLERANCE. REMOVED COIL FOUND BURNED OUT SPOT ON BOTTOM OF COIL SHORTED OUT TO CASE. INSTALL NEW COIL.SDR AU970278Cylinder · cracked(AUS) NO1 CYLINDER CRACKED FROM BOTH SPARK PLUG HOLES - CRACK LENGTHS 19.05MM (0.75IN) - EXHAUST VALVE SEAT BORE CRACKED - CRACK LENGTH 12.7MM (0.5IN)SDR CA970326006Arm Assy · cracked(CAN) DURING RUN-UP, CARBURETOR HEAT INOPERATIVE. CARBURETOR HEAT CONTROL ARM BROKEN. REPLACED.SDR 96ZZZX5953Piston Pin · brokenNR 3 CYL HAS BROKEN PISTON PIN. SUSPECT CAUSE - MANUFACTURER'S DEFECT.SDR 96ZZZX5650Valve · stuckNR 3 CYLINDER EXHAUST VALVE STUCK, AND BENT PUSH ROD AND PUSH ROD HOUSING. THIS CAUSED ROUGH ENGINE AND AN OIL LEAK. CYLINDER WAS REPLACED WITH OVERHAULED UNIT.SDR 96ZZZX4313Filter · leakingWHEN OIL FILTER WAS REMOVED, MECHANIC NOTICED THE CAN AREA OF THE FILTER TURNED, BUT THE ATTACH MOUNTING (CRIMPED FLANGE END BRACKET) STAYED STATIONARY.SDR AU961131Spacer · mis installed(AUS) ENGINE INCORRECTLY INSTALLED IN ENGINE MOUNTS - LOWER VIBRATION SHOCK MOUNT CONTAINED AN INCORRECT NUMBER OF SPACERS - AS ARESULT THE PROPELLER SPINNER BACKING PLATE HAD WORN ON THE LOWER COWL - PERSONNEL/MAINTENANCE ERRORSDR 96ZZZX4949Piston · wrong partCUSTOMER COMPLAINED OF LOW STATIC RPM AND SLUGGISH PERFORMANACE OF AIRCRAFT. THIS CORRESPONDED WITH APPROXIMATE TIME OF A TOP OVERHAUL. PROPELLER AND TACHOMETER WERE CHECKED AND WITHIN SPECIFICATIONS. LOG BOOK ENTRIES STATING WORK DONE WAS VERY VAGUE AND NOSDR AU961094Bolt · wrong part(AUS) ENGINE VIBRATION ISOLATOR MOUNT BOLTS INCORRECT PART (INCORRECT LENGTH) - SPACERS BETWEEN ENGINE AND MOUNTS NOT INSTALLED - RH UPPER MOUNT BOLT NUT SEPARATED - LH LOWER MOUNT BOLT NUT SPLIT - SUSPECT NUTS ALSO INCORRECT PART AS THEY ARE DIFFERENT TO THESDR 96ZZZX4156Contact Points · spring defectAIRCRAFT LANDED AFTER CROSS-COUNTRY. WHEN THE PILOT ATTEMPTED TO DEPART, ENGINE WOULD NOT START. TROUBLESHOOTING DETERMINED THE POINTS IN THE LEFT MAGNETO WOULD NOT CLOSE COMPLETELY. GAP WAS WITHIN TOLERANCE. RETURN SPRING APPEARED TO BE BOWED, NOT SUPPLYISDR AU960929Crankcase · cracked(AUS) ENGINE CRANKCASE CRACKED IN THE LH FORWARD SECTION - CRACK LENGTH APPROXIMATELY 32MM (1.25IN) - CRANKCASE HAD BEEN WELD REPAIRED IN THIS AREA AT LAST OVERHAUL - SUSPECT INCORRECT HEAT TREATMENT FOLLOWING WELD REPAIRSDR AU960918Piston · damaged(AUS) ENGINE NO3 CYLINDER PISTON RING FOUND BROKEN AND PISTON DAMAGED IN LINE WITH EXHAUST VALVE - SUSPECT CAUSED BY DETONATIONSDR AU961153Piston · damaged(AUS) NO3 CYLINDER PISTON DAMAGED AND PISTON RINGS BROKEN - SUSPECT CAUSED BY DETONATIONSDR 96ZZZX2992Lifter Body · collapsed45.9 HOURS AFTER OVERHAUL, PILOT FLYING AN X-C EXPERIENCED VERY ROUGH ENGINE. AFTER TROUBLESHOOTING ALL POSSIBLE ASPECTS, FOUND NR 2 CYLINDER EXHAUST HYDRAULIC LIFTER COLLAPSED AND DAMAGED PUSH ROD. A NEW LIFTER AND PUSH ROD WAS INSTALLED. OPS CHECK WAS PERSDR CA960311002Crankshaft · off centre(CAN) THE CRANKSHAFT WAS REMOVED FOR REPAIR OF CORROSION IN ACCORDANCE WITH LYCOMING MSB 505A. THE CENTRE-BORE IN THE FRONT MAIN BEARING AREA WAS FOUND TO BE OFF CENTRE BY APPROXIMATELY 0.050 INCHES. THE AMO RECEIVED APPROVAL TO REPAIR THE CORROSION BY GRINDINSDR 96ZZZX1254Piston Pin Plug · failedPISTON PIN PLUG, PN 60828, IS NOT CORRECT, BUT LOCATION IS CORRECT. ENGINE OVERHAULED 24.8 HRS AGO. COMPLAINT OF LOSS OF POWER. GROUND RUN SEEMED OK, NOTHING OBVIOUS. COMPRESSION TEST FOUND LOW COMPRESSION ON ONE CYLINDER. BORESCOPED AND COULD SEE METAL FSDR AU960102Bushing · worn(AUS) CARBURETTOR THROTTLE SHAFT PNO 13-1521 AND BUSHINGS PNO 60-260 HAD EXCESSIVE CLEARANCE DUE TO WEAR IN THE BUSHINGS WHICH WERE WORN THROUGH CAUSING WEAR IN THE BODY OF THE CARBURETTOR AS WELL - ACCELERATOR PUMP LEVER PNO 155-226 AND CONNECTING ROD PNO17-3SDR CA960131002Crankshaft · eccentric(CAN)THE CRANKSHAFT WAS INSPECTED IN ACCORDANCE WITH LYCOMING SB 505A AND FOUND PITTED. WHEN REPAIRS OF THE AFFECTED AREA WERE ATTEMPTED THE CENTRE BORE OF THE CRANKSHAFT WAS FOUND TO BE ECCENTRIC, WITH TH E #1 BEARING CIRCUMFERENCE OFFSET BY .085". THE CRANKSSDR 96ZZZX603Valve · stickingDURING TAKEOFF, AIRCRAFT ENGINE BECAME VERY ROUGH. PILOT COULD NOT DUPLICATE ON GROUND. FURTHER INVESTIGATION FOUND NR 1 AND NR 2 CYLINDER EXHAUST VALVES STICKING. REMOVED AND CLEANED ALL FOUR CYLINDER EXHAUST VALVES AND GUIDES. THIS IS SECOND OCCURRENCE WSDR 95ZZZX5528Cylinder · barrel crackedCYLINDER BARREL CRACKED AT BASE OF THE 4TH COOLING FIN AWAY FROM CYLINDER HEAD ATTACH AREA. THIS IS SECOND CYLINDER TO FAIL IN THIS MANNER ON THIS SAME ENGINE SINCE OVERHAUL WITH NEW LYCOMING CYLINDERS.SDR 95ZZZX4496Idler Gear · teeth missingPILOT REPORTED BAD LT MAG DROP. LT MAG REMOVED AND VISUAL INSPECTION REVEALED MISSING TOOTH ON IDLER GEAR. ALL REMAINING TEETH FOUND TO BE DISTORTED. IDLER GEAR BOSS ON CRANKCASE FOUND LOOSE. LT BOLT SAFETY BROKEN. RT HAD STUD WITH COTTER PIN THROUGH NUT,SDR 95ZZZX4591Carburetor Tube · looseRPM COULD NOT BE REDUCED BELOW 2,000 RPM IN-FLIGHT, NECESSITATING POWER-OFF LANDING. INSPECTION REVEALED THE CARBURETOR ACCELERATOR PUMP DISCHARGE TUBE HAD COME LOOSE AND LODGED IN THE THROTTLE VALVE PREVENTING FULL CLOSURE OF THROTTLE. THE OVERHAUL MANUAL SSDR 95ZZZX2646Engine · making metalFILTER WAS OPENED DURING AN ANNUAL INSPECTION. A HIGH AMOUNT OF METAL WAS FOUND, MOSTLY ALUMINUM WITH SOME STEEL. AIRCRAFT WAS GROUNDED AND ENGINE SENT OUT TO OVERHAUL FACILITY FOR DISASSEMBLY.SDR 95ZZZX2130Cylinder · ring brokePILOT REPORTED POWER LOST. FOUND NR 1 CYLINDER HAD A BROKEN COMPRESSION RING. REPLACED WITH AN OVERHAULED CYLINDER, NEW RINGS AND PISTON. RAN-UP OKAY.SDR 95ZZZX409Spark Plug · failedSUBMITTER STATES A VERY POOR SERVICE FROM AUBURN SPARK PLUGS. HAS NOTED CENTER ELECTRODE PORCELAIN FAILS. FAILED ELECTRODE PIECES THEN CAN CAUSE DAMAGE TO VALVES, SEATS, RINGS, AND PISTONS. SUBMITTER RECOMMENDS TO NOT USE THESE SPARK PLUGS IN AIRCRAFT ENGIN
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