Continental IO-520 series
Service difficulty reports · 446
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 = 'IO520' 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 = 'IO520' 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 2005FA0001616Relay · intermittentPILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE DOWN POSITION THE GEAR WOULDN`T EXTEND, AFTER CYCLING GEAR SELECTOR GEAR WENT DOWN, AC RETURNED TO BASE. ON TROUBLESHOOTING THE MECHANIC SELECTED DOWN AND IT FAILED TO EXTEND, AFTER TAPPING ON TOP OF RELAYSDR BSYA200500027Squat Switch · frozenON TAKEOFF, PILOT SELECTED GEAR UP AND NOTHING HAPPENED, THEN RETURNED TO DEPARTURE, NO PROBLEMS. MAINTENANCE FOUND LT MAIN GEAR SQUAT SWITCH PACKED WITH SNOW, THAWED OUT SWITCH OPS CHECKS GOOD.SDR 2005FA0001594Rod End · brokenAFTER TAKEOFF, LANDING GEAR WAS RETRACTED AND A BANGING NOISE WAS HEARD BY THE PILOT. IT BECAME APPARENT THE NOSE GEAR RETRACT MECHANISM HAD BROKEN AND THAT THE NOSE GEAR DID NOT RETRACT PROPERLY. THE AIRCRAFT WAS FLOWN TO ITS DESTINATION AIRPORT WHERE NOSE SDR 2006FA0000091Landing Gear · lack of lubeRT MAIN GEAR, NO GREEN GEARDOWN LIGHT. GEAR CYCLED SEVERAL TIMES, RT MAIN GEAR COLLAPSED AFTER LANDING. REMOVED GEAR ASSY FOUND LACK OF LUBE THE PROBLEM. REPLACED PARTS, BENT WHEN GEAR COLLAPSED. LUBED, REINSTALLED. OPS OK. LUBE GEAR MORE OFTEN. (K)SDR BSYA200500029Squat Switch · inoperativeON TAKEOFF, PILOT SELECTED GEAR UP NOTHING HAPPENED, THEN ELECTED TO RETURN. MAINTENANCE JACKED AIRCRAFT CLEANED AND LUBED SQUAT SWITCH. OPS CHECKED GOOD.SDR FFKA2005106Hub · shearedALTERNATOR HUB ASSEMBLY SHEARED (DESIGNED TO DO THIS) AND/OR BECAME OBLONG AND THEN SHEARED THE SHAFT OF THE ALTERNATOR ALLOWING IT TO COME IN CONTACT WITH THE CRANKSHAFT AND CONTAMINATING THE OIL WITH METAL.SDR XGN2006F00044Cylinder · crackedFOUND CYLINDER HEAD CRACKED IN THE EXHAUST SIDE DURING A 50 HR INSPECTION. THIS IS AN ON GOING PROBLEM WITH THE CYLINDERS. (K)SDR 2005FA0001440Relay · interferencePILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE DOWN POSITION, THE GEAR WOULD NOT EXTEND, AFTER CYCLING GEAR SELECTOR GEAR WENT DOWN, AC RETURNED TO BASE. ON TROUBLESHOOTING, THE MECHANIC SELECTED DOWN AND IT FAILED TO EXTEND, AFTER TAPPING ON TOP OF RESDR 2005FA0001499Mount · crackedDURING A ROUTINE INSPECTION FOUND THE FUEL FLOW TRANSDUCER MOUNT BRACKET CRACKED. (K)SDR 2005FA0001468Fuel Cell · failedWHILE ENROUTE, PILOT EXPERIENCED TOTAL LOSS OF REMAINING FUEL IN RT WING. DURING FLIGHT WITHOUT WARNING. SUBSEQUENTLY RT ENGINE EXPERIENCED UNCOMMANDED SHUTDOWN DUE TO FUEL STARVATION. LARGE QUANTITY OF FUEL LOST IN SHORT TIME. PILOT LANDED, TROUBLESHOT ACSDR 2005FA0001264Relay · intermittentON ROUTINE GEAR INSPECTION, THE MECHANIC NOTICED THE GEAR WAS VERY SLOW ON RETRACTION. ON TROUBLESHOOTING THE MECHANIC FOUND THE RELAY WAS INTERMITTENT, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED RELAY IAW DATE CODE. (K)SDR 2005FA0001112Skin · corrodedAC WAS UNDERGOING AN EXTENSIVE AVIONICS UPGRADE INSTALLATION AND DURING ANTENNA INSTALLATIONS, TECH NOTICED CORROSION UNDER FACTORY INSTALED DAMPENING/INSULATION MATERIAL. CORROSION WAS TO LOWER FUSELAGE SKINS UNDER THIS MATERIAL. THE CORROSION WAS FOUND UNDSDR 2005FA0001073Relay · intermittentPILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE UP POSITION THE GEAR WOULDN`T RETRACT, AFTER A FEW SECONDS THE GEAR CAME UP ON ITS OWN. ON TROUBLESHOOTING THE MECHANIC FOUND THE RELAY WAS INTERMITTENT, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEWSDR 2005FA0001074Relay · intermittentPILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE UP POSITION THE GEAR WOULD NOT RETRACT. ON TROUBLESHOOTING THE MECHANIC FOUND THE RELAY WAS INTERMITTENT, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED RELAY IAW DATE CODE. (K)SDR 2005FA0000954Wheel · corrodedTHIS KIT WAS PURCHASED NEW AND OF THE 4 WHEEL HALVES THAT ARE PART OF THE KIT, AFTER ONLY ONE YEAR OF USE, 3 SHOWED SUCH SIGNS OF CORROSION THAT IT IS QUESTIONABLE IF THE LIFE OF THE 3 WHEEL HALVES WOULD BE OVER 2 YEARS. AFTER ITS OWN INSPECTION, THE MANUFACTSDR 2005FA0000955Wheel · corrodedTHIS KIT WAS PURCHASED NEW AND OF THE 4 WHEEL HALVES THAT ARE PART OF THE KIT, AFTER ONLY ONE YEAR OF USE, 3 SHOWED SUCH SIGNS OF CORROSION THAT IT IS QUESTIONABLE IF THE LIFE OF THE 3 WHEEL HALVES WOULD BE OVER 2 YEARS. AFTER ITS OWN INSPECTION, THE MANUFACTSDR 2005FA0001004Relay · intermittentON ROUTINE PHASE INSPECTION, THE MECHANIC PUT THE GEAR DOWN AND NOTHING HAPPENED. ON TROUBLESHOOTING, THE MECHANIC FOUND THE RELAY WAS INTERMITTENT, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED RELAY IAW DATE CODE. (K)SDR 2005FA0000998Fitting · crackedWHILE PERFORMING UNSCHEDULED MAINTENANCE, VERTICAL STABILIZER WAS REMOVED, WHILE THE MECHANIC WAS INSPECTING THE FITTINGS FOR REINSTALLATION OF THE VERTICAL STABILIZER NOTICED A CRACK COMING FROM BOTTOM RT LOWER MOUNTING HOLE ON FORWARD FITTING. AT THIS TIME SDR VJ32005F00001Fitting · crackedWHILE PERFORMEING UNSCHEDULED MAINTENANCE. VERTICAL STABILIZER WAS REMOVED, WHILE THE MECHANIC WAS INSPECTING THE FITTINGS FOR REINSTALLATION OF THE VERTICAL STABILIZER NOTICED A CRACK COMING FROM BOTTOM RT LOWER MOUNTING HOLE ON FORWARD FITTING. AT THIS TIMSDR 2005FA0000902Bladder · leakingTHE LT OB BLADDER HAD A SMALL SEEPING LEAK AND WAS IGNITED CAUSING AN EXPLOSION. THE SOURCE OF IGNITION IS UNKNOWN, BUT THE SECOND SENDING UNIT IS SUSPECTED.SDR FFKR103Relay · burned outPILOT REPORTED THAT THE LANDING GEAR STOPPED RETRACTING DURING NORMAL OPERATION. MAINTENANCE INSPECTED LANDING GEAR SYSTEM AND FOUND THE L/G RELAY TO BE INOP CAUSING THE LANDING GEAR MOTOR TO CONTINUE TO OPERATE CAUSING IT TO FAIL AS WELL. REPLACED BOTH PARTSDR 2005FA0001035Mount Bracket · crackedDURING A 100 HOUR INSPECTION, FOUND THE MOUNT FOR THE FUEL FLOW TRANSDUCER CRACKED AT THE BEND RADIUS OF ALL 4 MOUNTING FLANGES. (K)SDR 20050504Actuator · defectiveTRIM TAB ACTUATOR IS DEFECTIVE AS RECEIVED. THIS IS A NEW PART. THE CHAIN SPROCKET HAS A BENT TOOTH. LOT NUMBER: 2Q04. THIS IS THE THIRD DEFECTIVE, NEW ACTUATOR WE HAVE RECEIVED IN A ROW. AN (EXPERIENCED) ACTUATOR FROM A STORED AIRCRAFT IS BEING USED TEMPSDR 20050503Oil Filter · failedDURING RECENT INSPECTIONS, SEVERAL OIL FILTER ELEMENTS WERE FOUND PULLED AWAY FROM METAL RETAINING STRIP WHICH CLAMPS THE ENDS OF FILTER PAPER. ONE FILTER ELEMENT ALSO HAD A SMALL HOLE PENETRATING FILTER PAPER EACH SIDE OF METAL STRIP. SOMETIMES METAL STRIP SDR 2005FA0000652Pawl · wornAPPEARS THAT THE STEERING LOCK PAWL DID NOT ENGAGE SUFFICIENTLY TO LOCK THE TAIL WHEEL. UPON LANDING THE TAIL WHEEL CASTORED. SWINGING THE AC TO THE RT AND OFF OF THE RUNWAY. AC SUSTAINED DAMAGE TO ITS LT WING. INVESTIGATION DISCLOSED THAT THE TAIL WHEEL SSDR 2005FA0000937Bracket · brokenPILOT REPORTED THAT THE FLAPS FELT FUNNY AND THAT THEY MADE A GRINDING NOISE. INSPECTION OF FLAP SYSTEM FOUND PULLEY BRACKET FOR LT FLAP EXTEND CABLE HAD BROKEN AT 2 OF THE 4 MOUNTING SCREW TABS.SDR 2005FA0001024Antenna · unserviceableFOUND UAT ANTENNA BAD DURING UAT UPGRADE. (ALO5200502609) (K)SDR 2005FA0001057Antenna · inoperativeFOUND LOWER UAT ANTENNA UNSERVICEABLE DURING UAT UPGRADE. (K)SDR 2005FA0001058Antenna · inoperativeFOUND UPPER UAT ANTENNA UNSERVICEABLE DURING UAT UPGRADE. (K)SDR 2005FA0001062Antenna · inoperativeFOUND UPPER UAT ANTENNA UNSERVICEABLE DURING UAT UPGRADE. (K)SDR 2005FA0001025Antenna · unserviceableFOUND LOWER UAT ANTENNA BAD DURING UAT UPGRADE. (K)SDR 2005FA0000628Relay · intermittentPILOT SELECTED GEARDOWN AND NOTHING HAPPENED, PILOT THEN CYCLED GEAR SELECTOR TWICE THEN GEAR WENT DOWN, AC RETURNED TO BASE. ON TROUBLESHOOTING, MECHANIC CYCLED GEAR 4 TIMES THEN RELAY FAILED, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED SDR 2005FA0000629Relay · intermittentPILOT SELECTED GEAR UP AND NOTHING HAPPENED, AIRCRAFT RETURNED TO BASE. ON TROUBLESHOOTING, MECHANIC CYCLED GEAR (8) TIMES THEN RELAY FAILED, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED RELAY IAW DATE CODE. (K)SDR 2005FA0000656Saddle · crackedREPLACED BOTH MLG SADDLES AT ANNUAL INSP. BOTH WERE FOUND TO HAVE HAIR LINE CRACKS IN RADIUS ABOVE IB V-BOLT HOLE USING DYE PENETRANT INSPECTION METHOD. (K)SDR 2005FA0001026Antenna · inoperativeFOUND LOWER UAT ANTENNA BAD DURING UAT UPGRADE. (AL05200502611) (K)SDR 2005FA0001055Antenna · inoperativeFOUND LOWER UAT ANTENNA UNSERVICEABLE DURING UAT UPGRADE. (K)SDR 2005FA0001022Antenna · unserviceableDURING UPGRADE OF UAT, FOUND LOWER UAT ANTENNA UNSERVICEABLE. (AL05200502607) (K)SDR 2005FA0001023Antenna · unserviceableDURING UPGRADE OF UAT, FOUND UPPER UAT ANTENNA UNSERVICEABLE. (AL05200502608) (K)SDR 2005FA0001063Antenna · inoperativeFOUND UPPER UAT ANTENNA UNSERVICEABLE DURIN UAT UPGRADE. (K)SDR 2005FA0001398Attach Bracket · crackedDURING AN ANNUAL INSPECTION, THE LT ELEVATOR OB ATTACH HINGE WAS FOUND TO BE CRACKED AT WELD. UPON FURTHER INSPECTION, IT WAS NOTED THAT WELD WAS IN FACT ONLY A SPOT WELD. THIS PART IS SUPPOSED TO BE WELDED THE FULL LENGTH OF THE HINGE. PART APPEARS TO BE TSDR SFO2005F00000Spar · crackedDURING ANNUAL INSP, CRACKS WERE NOTED IN FWD CARRY-THRU SPAR WEB. LOCATED AT LT UPPER OB MOST HUCK BOLTS (2 EA) ON FWD SIDE OF CARRY-THRU ASSY. HEAD SIDE OF UPPER HUCK BOLT IS INACCESSIBLE FOR VIEWING WITHOUT WING REMOVAL. LWR HUCK BOLT IS ACCESSIBLE, NO MOSDR 2005FA0000598O-Ring · improper partINCORRECT CYLINDER BASE O-RINGS INSTALLED AT TOP-OVERHAUL. THE O-RINGS INSTALLED APPEARED TO BE THE SIZE FOR THE ENGINE. THESE LARGER CROSS SECTION SEALS WERE PINCHED BETWEEN THE CYLINDER BASE AND THE CRANKCASE. THIS RESULTED IN A LOW THROUGH-BOLT TORQUE. NUMBSDR CCJ2005F00000Bracket · brokenTHERE WAS NO (GEAR DOWN) INDICATION WHEN THE LANDING GEAR WAS EXTENDED. PILOT DECLARED EMERGENCY AND DIVERTED TO AN AIRPORT WITH A LONGER RUNWAY. LANDING WAS NORMAL AND UNEVENTFUL. UPON EXAMINATION IT WAS FOUND THAT THE BRACKET HOLDING THE NOSE GEAR (DOWN) SDR 2005FA0001019Transceiver · malfunctionedDURING GROUND FUNCTIONAL CHECKS FOLLOWING INITIAL INSTALLATION, MX20 DISPLAYS THE ERROR MESSAGE (GDL90 REQUIRES MAINTENANCE). UPON INSTALLATION OF ANOTHER UNIT, ERROR MESSAGE CLEARED, SYSTEM OPERATION SATISFACTORY. (AL05200502604) (K)SDR 2005FA0001018Transceiver · malfunctionedDURING INITIAL PROGRAMMING FOLLOWING INITIAL INSTALLATION, FOUND THE APM WOULD NOT PROGRAM. (K)SDR 2005FA0001020Antenna · unserviceableDURING UPGRADE OF UAT, FOUND LOWER UAT ANTENNA UNSERVICEABLE. (ALO5200502605) (K)SDR 2005FA0001029Antenna · unserviceableFOUND LOWER UAT ANTENNA BAD DURING UAT UPGRADE. (AL05200502614) (K)SDR 2005FA0000510Relay · intermittentPILOT SELECTED GEAR UP AND NOTHING HAPPENED. AIRCRAFT RETURNED TO BASE. UPON FURTHER TROUBLESHOOTING, FOUND RELAY WAS INTERMITTENT, PROBABLE CAUSE AT THIS TIME UNKNOWN. INSTALLED NEW AND IMPROVED RELAY IAW DATE CODE. FURTHER IMPROVEMENT ON RELAY ARE NEEDEDSDR K2A2005F00000Door · brokenIT APPEARS THE AFT HINGE ON THE LT INNER GEAR DOOR BROKE FIRST AND WHEN THE GEAR WAS SELECTED THE DOOR JAMMED THE LT GEAR AND STRESSED THE BRAZE ASSY WHICH BROKE THE GEAR ACTUATOR ARM. THE GEAR DOOR HINGES SHOULD BE EXAMINED FRO CRACKS AND CORROSION REGULARLYSDR 2005FA0000305Ferrule · crackedDURING DISASSEMBLY FOR OVERHAUL, BLADE RETENTION FERRULE C4451 FOUND CRACKED IN BEARING FLANGE ON NR 2 BLADE. THE CRACK APPEARS TO HAVE STARTED AT AN OLD ACTUATING PIN HOLE AND IS OVER THREE INCHES LONG. S/B 196B HAD NOT BEEN ACCOMPLISHED ON THIS PROPELLER.
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