Continental IO-520-L
Service difficulty reports · 257
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 = 'IO520L' 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 = 'IO520L' 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 AU990848Csu · failed(AUS) PROPELLER GOVERNOR (CSU) FAILED. PROPELLER REMAINED IN COARSE PITCH. STRIP INVESTIGATION FOUND EXTENSIVE DAMAGE IN GEAR POCKETS AND IDLER GEAR SHAFT. IDLER GEAR DAMAGED AND BEARING CENTER AND ROLLERS MISSING. BASE FACEPLATE SCORED AND DRIVE GEAR BSDR 99ZZZX1113Pump · failedWHEN ENGINE WAS BROUGHT BACK TO IDLE ON LANDING, ENGINE QUIT.SDR 99ZZZX1387Cylinders · crackedCYLINDERS WERE FOUND CRACKED DURING COMPRESSION CHECKS. THE ONLY WAY THE CRACKS WERE FOUND WAS BY USING LEAK CHECK FLUID AS THE COMPRESSION CHECKS WERE GOOD. NR 6 CYLINDER WAS REPLACED AT 50.0 HOURS PRIOR TO THIS BECAUSE OF A CRACK. THE CRACKS ARE ALL EMANATISDR AU981692Lifter · pitted(AUS) NR 6 CYLINDER VALVE LIFTER WAS REMOVED AND FOUND DEFECTIVE - LIFTER FACE DETERIORATING DUE TO PITTING. PART TC: 1,148.SDR 99ZZZX117Cylinder · crackedCOMPRESSION TEST REVEALED 58/80 FOR NR 2 CYLINDER. USED LEAK DETECTOR LIQUID TO DETECT CRACK ADJACENT TO EXHAUST PORT BETWEEN 16TH AND 17TH FIN. CRACK EXTENDS FROM EXHAUST VALVE TO SPARK PLUG HOLE.SDR 99ZZZX120Cylinder · crackedCOMPRESSION TEST REVEALED 64/80 FOR NR 6 CYLINDER. USED LEAK DETECTOR LIQUID TO DETECT CRACK ADJACENT TO EXHAUST PORT BETWEEN 18TH AND 19TH FIN.SDR 99ZZZX121Cylinder · crackedCOMPRESSION TEST REVEALED 71/80 FOR NR 1 CYLINDER AND 25/80 FOR NR 2 CYLINDER. UPON APPLICATION OF LEAK DETECTOR LIQUID, A CRACK WAS FOUND IN NR 1 CYLINDER ADJACENT TO INTAKE PORT BETWEEN 16TH AND 17TH FIN. CRACK EXTENDS FROM EXHAUST VALVE TO SPARK PLUG HOLESDR 99ZZZX122Cylinder · crackedCOMPRESSION TEST REVEALED 71/80 FOR NR 1 CYLINDER AND 25/80 FOR NR 2 CYLINDER. UPON APPLICATION OF LEAK DETECTOR LIQUID, A CRACK WAS FOUND IN NR 1 CYLINDER ADJACENT TO INTAKE PORT BETWEEN 16TH AND 17TH FIN. CRACK EXTENDS FROM EXHAUST VALVE TO SPARK PLUG HOLESDR 99ZZZX123Cylinder · crackedCOMRPESSION TEST REVEALED NR 1 CYLINDER 30/80, NR 5 CYLINDER 52/80, AND NR 6 CYLINDER 42/80. UPON APPLICATION OF LEAK DETECTOR LIQUID, CRACKS WERE FOUND IN ALL THREE CYLINDER HEADS.SDR AU981420Regulator · malfunctioned(AUS) VOLTAGE REGULATOR SUSPECT FAULTY.SDR AU981423Sensor · broken(AUS) ENGINE CYLINDER HEAD TEMPERATURE PROBE BROKEN OFF SENDING UNIT.SDR AU981419Tire · deflated(AUS) RIGHT TIRE DEFLATED DURING LANDING. NIL DAMAGE FOUND TO THE TIRE. SUBMITTER SUSPECTED VALVE MAY HAVE BEEN DETACHED BY A STONE. THE LANDING STRIP WAS VERY ROUGH AND STONY.SDR AU981426Lifter · damaged(AUS) HYDRAULIC EXHAUST VALVE LIFTER DAMAGED WITH SURFACE HARDENING CHIPPING AWAY. PART TC: 670.SDR 98ZZZX4056Spring · brokenDURING ROUTINE MAINTENANCE, METAL FOUND IN OIL FILTER. TRACED TO BROKEN INNER VALVE SPRING OF NR 5 CYLINDER. BROKEN ENDS HAD STARTED TO EAT INTO CYLINDER HEAD. SUBMITTER SUGGESTED CAUSE AS METALLURIGICAL FAILURE OF SPRING STEEL. VALVE SPRINGS ARE A MANDATORSDR AU981268Press Switch · failed(AUS) LANDING GEAR POWERPACK PRESSURE SWITCH OPEN CIRCUITED. PISTON P/N H2309 STUCK.SDR AU981115Support · cracked(AUS) HORIZONTAL STABILIZER REAR LEFT REINFORCEMENT BRACKET CRACKED IN TWO PLACES. PART TC: 3,108.SDR AU981090Bolt · cracked(AUS) LEFT MAIN LANDING GEAR ATTACHMENT BOLT CRACKED. PART TC: 5,350.SDR AU981054Piston · improper part(AUS) INCORRECT PART NUMBER PISTONS FITTED. PISTONS WERE APPLICABLE TO TSIO520 ENGINES ONLY. UNAPPROVED PART. PERSONNEL/MAINTENANCE ERROR. PART TC: 669.SDR CA980922006Magneto · failed(CAN) AFTER LANDING A MAGNETO CHECK FOUND THE LEFT HAND MAGNETO DEAD. THE MAGNETO WAS REPLACED. THE CAUSE OF THE FAULT WAS NOT DETERMINED.SDR AU980833Housing · damaged(AUS) PROPELLER GOVERNOR BODY DAMAGED DURING PROPELLER GROUND STRIKE.SDR AU980763Fcu · faulty(AUS) ENGINE FUEL CONTROL UNIT P/N 629703-2 AND FUEL FLOW DIVIDER P/N 631351-17A6 FITTED TO FACTORY. REMANUFACTURED ENGINE SUSPECT FAULTY.SDR AU980710Link · cracked(AUS) NOSE LANDING GEAR UPPER TORQUE LINK CRACKED. CRACKS APPEAR TO ORIGINATE FROM CORROSION PITTING. PART TOTAL CYCLES: 5,150.SDR 98ZZZX2601Piston · wornPISTON PIN BORE IN PISTON WORN. PISTONS HAVE 20 HOURS IN SERVICE SINCE NEW. PARTS WERE BOUGHT FROM SUPERIOR PARTS.SDR 98ZZZX4520Starter Adapter · wornTHE ENGINE WOULD NOT CRANK OVER. INVESTIGATION REVEALED THE STARTER MOTOR WAS TURNING. INSPECTION OF THE STARTER ADAPTER, INTERNALLY, INDICATES EXCESSIVE CLEARANCES. REPLACEMENT OF THE UNIT RESOLVES PROBLEM. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE SDR AU980441Lever · broken(AUS) ENGINE THROTTLE CONTROL LEVER BROKEN AT STEEL BUSH INSERT END.SDR AU980338Housing · damaged(AUS) FUEL MANIFOLD VALVE HOUSING DAMAGED IN SEAL RETAINING AREA ALLOWING FUEL TO LEAK PAST THE SEAL.SDR AU980351Bearing · failed(AUS) LT MAIN LANDING GEAR AFT TRUNNION SPHERICAL BEARING OUTER RACE SHATTERED. INCORRECT BEARING FITTED. A BUSH SHOULD BE FITTED IN THIS AREA AND NOT A SPHERICAL BEARING. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.SDR AU980353Spar · corroded(AUS) WING SPAR ASSEMBLY CONTAINED DEEP PITTING CORROSION ON THE LOWER WING ATTACHMENT LUG. CAUSED BY A BROKEN AND RUSTY SCAT HOSE WIRE RESTING ON THE SPAR.SDR AU980359Screw · distorted(AUS) ELEVATOR TRIM ACTUATOR SCREW BENT.SDR AU980360Control Cable · corroded(AUS) ELEVATOR TRIM CABLES P/N 126075-9 AND P/N 126075-10 CORRODED.SDR AU980427Light · inoperative(AUS) ROTATING BEACON, LANDING LIGHT, TAXI LIGHT AND PANEL LIGHTING INOPERATIVE. PERSONNEL/MAINTENANCE ERROR.SDR AU980428Fitting · worn(AUS) FUEL PRESSURE FITTING ON ENGINE FUEL PUMP CHAFED THROUGH.SDR AU980358Bulkhead · cracked(AUS) FUSELAGE BULKHEAD LOCATED AT STN 209 CRACKED. BULKHEAD HAD BEEN INCORRECTLY REPAIRED PREVIOUSLY ALLOWING CRACKING AT HORIZONTAL STABILIZER ATTACHMENT POINTS. PERSONNEL/MAINTENANCE ERROR.SDR CA980325031Cylinder · damaged(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND THE CYLINDER OVERSIZE AND THE HUB CORRODED. THE HUB WAS NOT ANODIZED, NOR WAS THE PROPELLER MODIFIED TO OIL FILLED AS PER SERVICE BULLETIN 196A.SDR AU980324Magneto · faulty(AUS) LT MAGNETO FAULTY.SDR 98ZZZX4518Pump · wornFUEL PRESSURES ARE UNSTABLE AND FLUCTUATING. THE ENGINE DRIVEN FUEL PUMP AND FUEL CONTROLLER ARE REPLACED AND THE PROBLEM SOLVED. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE PARTS OR ASSEMBLY PROCESS OF THE PUMP AND FUEL CONTROLLER AT RE-MANUFACTURE OF TSDR 98ZZZX4519Fcu · wornFUEL PRESSURES ARE UNSTABLE AND FLUCTUATING. THE ENGINE DRIVEN FUEL PUMP AND FUEL CONTROLLER ARE REPLACED AND THE PROBLEM SOLVED. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE PARTS OR ASSEMBLY PROCESS OF THE PUMP AND FUEL CONTROLLER AT RE-MANUFACTURE OF TSDR AU980163Downlock Hook · stuck(AUS) LH MAIN LANDING GEAR DOWNLOCK HOOK STUCK DUE TO LACK OF LUBRICATION.SDR AU980139Engine · vibration(AUS) ENGINE VIBRATION FELT THROUGH FLOOR AND RUDDER PEDALS.SDR AU971628Cylinder · cracked(AUS) NO1 CYLINDER HEAD CRACKED.SDR CA980113006Landing Gear · folded(CAN) AFTER LANDING, THE LT GEAR SLOWLY FOLDED BACK INTO THE RETRACT POSITION. A/C SETTLED TO GROUND ON LT STAB CAUSING DAMAGE TO LT STAB AND ELEVATOR. UNDER INVESTIGATION.SDR 98ZZZX100Magneto · failedRIGHT MAGNETO DEAD. OPENED MAG, FOUND COPPER AND CARBON DUST EVERYWHERE. FOUND BLOCK AND GEAR BEARINGS WORN SEVERELY AND GEAR DAMAGED, TEETH VERY SHARP DUE TO MISALIGNMENT OF LARGE GEAR. MAGS WERE NOT INSPECTED AT 500-HOUR INSPECTION AS RECOMMENDED.SDR 98ZZZX12Spark Plug · shortedUPON INSTALLING NEW SPARK PLUGS, THE ENGINE RAN ROUGH. WHEN INSPECTING THE SPARK PLUGS, THREE WERE FOUND MILLED IMPROPERLY AND SMALL SLIVERS OF METAL SHORTING THE CENTER ELECTRODE.SDR 97ZZZX5137Adapter · failedAS PART OF THE 600-HOUR INSPECTION OF OIL FILTER ADAPTER REQUIRED BY SEB 93-1R1, THE RELIEF VALVE SEALING 'DISK' WAS FOUND ASKEW AND NOT SEALING PROPERLY. FURTHER INSPECTION REVEALED THE SPRING THAT HOLDS THE 'DISK' IN PLACE HAD BEEN CHAFED MORE THAN HALFWAY SDR 97ZZZX4949Bypass Spring · failedOIL FILTER BYPASS SPRING FOUND BROKEN AND DISC FOUND UNDER ENGINE OIL PRESSURE VALVE. ENGINE HAD NO OIL PRESSURE AFTER START-UP. BYPASS DISC FOUND UNDER ENGINE OIL PRESSURE RELIEF VALVE PREVENTING ENGINE FROM DEVELOPING ANY PRESSURE.SDR AU971339Fitting · failed(AUS) HORIZONTAL STABILISER RH FORWARD ATTACHMENT FITTING FAILED AND SEPARATED.SDR 98ZZZX4462Valve Guide · wornDURING A ROUTINE COMPRESSION CHECK, LEAKAGE WAS FOUND PAST THE INTAKE VALVE ON THE NR 6 CYLINDER. THE REMOVED CYLINDER, INTAKE VALVE AND GUIDE WERE FOUND WORN OUT. THE VALVE LASH WAS ALSO FOUND TO BE EXCESSIVE ON THE NR'S 2, 4, AND 6 CYLINDERS. THE PUSH RODSDR AU970628Crankshaft · cracked(AUS) ENGINE CRANKSHAFT CRACKED ON OIL SLINGER FACE - STARTER SHAFT HAD FOUR CRACKED TEETH - CAMSHAFT CRACKED ON GOVERNOR GEAR SPIGOT - CRANKSHAFT GEAR UNSERVICEABLE - TWO COUNTERWEIGHTS UNSERVICEABLE IAW M93-4 - CRANKCASE FRETTING ON BEARING SADDLES - SUSPECTSDR AU970668Alternator · worn(AUS) ALTERNATOR BRUSHES WORN - SUSPECT CAUSED BY BRUSH BOUNCESDR AU970704Cylinder · cracked(AUS) ENGINE CYLINDER CRACKED BETWEEN TOP SPARK PLUG HOLE AND INJECTOR NOZZLE - SUSPECT CYLINDER HAD BEEN WELD REPAIRED
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