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 AZN2005F00000Brake Disc · crackedNOTICED NUMEROUS OF OUR MFG BRAKE DISC, PN 164-00806 BEING CRACKED. THE CRACKS BEGIN WHERE MFG NAME IS STAMPED ON THE BRAKE DISC. FOUND 3 CRACKS WHERE THE LETTER (P) IS STAMPED AND ONE CRACK WHERE THE LETTER (R) IS STAMPED. PROBABLE CAUSE IS THE STAMPING LOSDR 2005FA0000079Elevator · misrepairedDURING AN ANNUAL INSP, FOUND LT ELEVATOR TORQUE TUBE LOOSE, AFTER REPAIR WHILE CHECKING CONTROL SURFACE BALANCE, SURFACE WAS FOUND TO BE BADLY OUT OF BALANCE AT +21 IN LBS. REMOVED T/E AND FOUND IT TO HAVE BEEN REPLACED WITH A FIELD FABRICATED PART BY PERSONSDR 2005FA0000938Rod End · brokenDURING APPROACH TO LAND, IT WAS DISCOVERED BY THE PILOT THAT THE NOSE GEAR WOULD NOT EXTEND. NORMAL AND EMERGENCY GEAR EXTENSION WAS PERFORMED WITHOUT SUCCESS. THE AIRCRAFT MADE A SUCCESSFUL NOSE GEAR RETRACTED EMERGENCY LANDING. EXAMINATION BY MAINTENANCE SDR FPI2005F00002Connecting Rod · looseA MAIN BEARING IN THE ENGINE SPUN, CUTTING OFF OIL SUPPLY TO CONNECTING ROD NR 2 CYLINDER. CONNECTING ROD LET GO AND WENT THRU ENGINE CASE. ENGINE RETURNED TO MFG AS CORE. (K)SDR 2005FA0000707Relay · intermittentPILOT SELECTED GEAR DOWN AND NOTHING HAPPENED, BEFORE PILOT COULD COMPLETE HIS CHECK LIST TO CRANK GEAR DOWN, THE GEAR WENT DOWN ON ITS OWN. AIRCRAFT RETURNED TO BASE. UPON FURTHER TROUBLESHOOTING FOUND RELAY WAS INTERMITTENT, PORBABLE CAUSE AT THIS TIME UNKSDR 2005FA0000349Ignition Switch · carbonedENGINE STOPPED RUNNING DURING TAXI TO RUNWAY. INVESTIGATION SHOWED A LOT OF CARBON IN SWITCH CONTACTS. (SW05200506081)SDR 2005FA0000068Bulkhead · crackedWHILE PERFORMING INSPECTION PORTION OF AD PERTAINING TO THE AFT VERTICAL FIN ATTACHMENT BULKHEAD, ONE CRACK WAS FOUND IN EACH OF LOWER IB PORTIONS OF THE RUDDER CABLE CUTOUTS AT APPROXIMATELY THE 4 O`CLOCK POSITION ON THE LT CUTOUT AND THE 8 O`CLOCK POSITION SDR UAT2005F00008Alternator · failedALTERNATOR FAILED AT 233.0 TSO. REPLACED WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)SDR FPI2005F00000Rotor · crackedRADIAL CRACK FOUND ON WEAR SURFACE ON INSIDE OF ROTOR. THIS WAS A REPLACEMENT PART PN RA-164-02706. SUSPECT MFG DEFECT. NO EVIDENCE OF OVERHEAT CONDITION DETECTED. RT ROTOR. TT370 HOURS. (K)SDR FPI2005F00004Rotor · crackedRADIAL CRACK FOUND ON WEAR SURFACE ON INSIDE OF ROTOR. THIS WAS A REPLACEMENT MFG PART (PN RA-164-02706). SUSPECT MFG DEFECT. NO EVIDENCE OF OVERHEAT CONDITION DETECTED. (LEFT ROTOR)SDR 2005FA0000033Relay · intermittentPILOT SELECTED GEAR DOWN AND NOTHING HAPPENED, SELECTED GEAR DOWN AGAIN AND GEAR CAME DOWN. ON FURTHER TROUBLESHOOTING FOUND RELAY WAS INTERMITTNET, PROBABLE CAUSE AT THIS TIME UNKNOWN, THIS IS SUPPOSE TO BE AN IMPROVED RELAY SO THERE IS NO RECOMMENDATIONS ATSDR 2008F00023Pushrod · failedENGINE HAD MANIFOLD AND FUEL PRESSURE VARIATION IN FLT, THE ACFT BEGAN TO VIBRATE AND THE PILOT SHUTDOWN ENGINE. THE NR 1 AND NR 2 ROD`S FAILED AND SEPARATED FROM THE CRANKSHAFT AND CREATED (2) LARGE HOLES IN THE CASE AND KNOCKING BOTH MAGNETOS LOOSE. THERE ASDR 2004FA0000793Strut · looseDURING INSPECTION FOUND THE TWO BOLTS/NUTS THAT ATTACH NOSE STRUT TO THE ENGINE MOUNT VERY LOOSE. NOSE STRUT WOBBLES WITH AIRCRAFT ON JACKS. FOUND SIMILAR SITUATION ON TWO OTHER AIRCRAFT WITH LESS THAN 100 HOURS SINCE NEW.SDR 2004F00401Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM BARREL IN CRUISE .SDR 2004FA0000825Relay · intermittentPILOT SELECTED GEAR DOWN AND NOTHING HAPPENED, SELECTED GEAR DOWN AGAIN AND GEAR CAME DOWN. UP ON FURTHER TROUBLESHOOTING FOUND RELAY WAS INTERMITTENT, PROBABLE CAUSE AT TIME, UNKNOWN, THIS IS SUPPOSE TO BE AN IMPROVED RELAY SO THERE IS NO RECOMMENDATIONS AT SDR ZFD2004F00000Trunnion · brokenAC WAS BEING TAXIED WHEN A SNAP WAS HEARD AND THE AIRCRAFT STARTED AN UNCOMMANDED TURN. THE PILOT IMMEDIATELY PULLED BOTH MIXTURES SHUTTING DOWN THE ENGINES. UPON EXITING THE AIRCRAFT, THE PILOT FOUND THE NLG LEANING AND TURNED SIDEWAYS. THE AIRCRAFT WAS INSDR 2004FA0000820Servo · brokenONE SIDE OF BRIDLE CABLE BROKE AT CAPSTAN PIN. OTHER SIDE O BRIDLE CABLE BACKLASHED AND TANGLED IN CAPSTAN BRIDLE CABLE GUARD PINS CAUSING RESTRICTION OF UP ELEVATOR CONTROL. CENTURY FLIGHT SYSTEMS SB CSB-2003-01 EXISTS FOR THIS TYPE OF CONDITION. POSSIBLY SDR 2004FA0000715Relay · failedLANDING GEAR WOULD NOT RETRACT IN FLIGHT. AIRCRAFT WAS PLACED ON JACKS AND THE LANDING GEAR CYCLED IAW MM. INSPECTION OF THE SYSTEM FOUND THAT THE DYNAMIC RELAY WOULD STICK IN THE DOWN POSITION. A NEW DYNAMIC RELAY WAS INSTALLED AND THE SYSTEM CHECKED NORMASDR 2005FA0000437Adc · malfunctionedADC PROVIDING ERRONEOUS HEADING AND ALTITUDE READINGS. ADC INSTALLED AS PART OF FLIGHT SYSTEM EFIS-SV SYSTEM. UNDER STC NR SA02203AK. (K)SDR 2004FA0000754Door · brokenPILOT COMPLAINED OF STUCK THROTTLE ON GROUND. FOUND ALTERNATE AIR DOOR BROKEN OFF AND WEDGED IN THROTTLE BODY. HINGE APPEARED TO HAVE WORN COMPLETELY THROUGH.SDR AOC04004Cylinder · damagedAFTER REPORTS OF HIGH CYLINDER TEMP, CYLINDERS WERE REMOVED FOR INSPECTION. THREE CYLINDERS FOUND TO HAVE UNUSUAL MARKS ON THE ECI CYLINDER WALLS, SIMILAR TO TWO OTHER ENGINES WITH THE SAME PROBLEMS. CYLINDERS REPLACED WITH NEW ECI CYLINDERS AND CYLINDER TEMP SDR 2004FA0000638Relay · intermittentDURING FLIGHT, CREW SELECTED (GEAR UP) AND GEAR FAILED TO RETRACT. AFTER ABOUT ONE MINUTE, THE GEAR RETRACTED. THE DYNAMIC BRAKE RELAY WAS FOUND TO BE OPERATING INTERMITTENTLY. RECOMMEND REPLACEMENT OF RELAY WITH SOLID STATE CIRCUIT BOARD.SDR CHQA000514Light · miswiredFORWARD PROXIMITY LIGHT IS INOPERATIVE. INVESTIGATED PROBLEM AND FOUND WIRING HOOKED UP IMPROPERLY. REROUTED WIRING IAW MFG 145 AMM 33-50-50. OPS CHECK GOOD AT THIS TIME.SDR 2004FA0000635Handle · failedINTERIOR DOOR HANDLE FELL OFF. THE INSERT WHICH HAS THE SPLINE REMAINED ON DOOR. THE DOOR HANDLE IS A NEW STYLE WHICH HAS THE PIN WHICH STOPS THE SPLINE INSERT FROM SPINNING INSIDE THE HANDLE.SDR 2004FA0000840Distributor Blk · burnedON 5/20/2004 THIS MAGNETO WAS REMOVED, PILOT REPORTED ROUGH ENGINE OPERATION AT ALTITUDES OF 8,000 FT OR HIGHER. PILOT ISOLATED MISFIRING MAGNETO. MAGNETO APPEARED TO BE FUNCTIONING NORMALLY ON GROUND AT SEA LEVEL AND INFLIGHT AT LOWER ALTITUDES. MAGNETO DISDR R2J2004F00002Hub · corrodedDURING STATEMENT OF CONDITION SURVEY FOUND PROPELLER HAD NOT BEEN OVERHAULED AT INTERNAL REQUIRED. WAS APPROX 2 YRS PART CALENDAR OVERHAUL REQUIREMENT SENT FOR OVERHAUL AND UPON TEARDOWN THE OVERHAUL SHOP SCRAPPED THE HUB DUE TO CORROSION AND BLADES DUE TO WESDR AUS20040455Bolt · cracked(AUS) UNDERCARRIAGE SADDLE BOLT CRACKED.SDR H8A2004F00000Motor · inoperativePILOT REPORTED, COULD NOT LOWER GEAR ELECTRICALLY, PILOT PERFORMED EMERGENCY EXTENSION SUCESSIVELY. UPON INSPECTION OF LANDING GEAR FOUND MOTOR INOPERATIVE. BRUSHES WERE COMPLETELY WORN OUT, REPLACED MOTOR.SDR AUS20040452Motor · faulty(AUS) CABIN HEATER BLOWER MOTOR FAULTY. MOTOR WAS VIBRATING AND PRODUCING SMOKE.SDR WTW2004F00000Channel · brokenPILOTS REPORTED COWL FLAP HANDLE BROKE IN THEIR HAND WHEN THE COWL FLAPS WERE CLOSED. INSPECTION REVEALED THE LEVER PN 96324055-33 WORE AGAINST THE DETENT PLATE PN 96-324055-163 AND CUT A GROOVE IN THE LEVER. FURTHER INSPECTION REVEALED THE CHANNEL PN 96-324SDR FPI2004F00003Combust Chamber · crackedDURING ANNUAL INSPECTION A HEATER DECAY TEST WAS PERFORMED. THE HEATER FAILED THE TEST AND WAS REMOVED FROM THE AIRCRAFT. A SUBSEQUENT PRESSURE TEST WAS DONE ON THE BENCH. TWO LARGE CRACKS WERE FOUND AT THE WELD JOINTS BETWEEN THE INNER COMBUSTION TUBE AND SDR NZZ2004F00000Hose · looseEXPERIENCED AN ENGINE FIRE DUE TO LOOSE FIREWALL TO FUEL PUMP INLET HOSE. HOSE LEAKED WHEN PRESSURIZED BY FUEL BOOST PUMP. ON TAXI OUR, ENGINE RAN ROUGH (AIR LEAKING). PILOT HIT BOOST PUMP, MOMENTAIRLY ENGINE SMOOTHED OUT AND CAUGHT FIRE. DAMAGE MOSTLY TO SDR 2004FA0000316Wire · shortedTHE 3 WIRES COMING FROM THE STATOR ARE SHORTED OUT ON THE CASE. THIS IS 4TH ALTERNATOR OVERHAUL BY FACILITY WITH THE SAME FAILURE, ALL 4 ALTERNATORS HAD LESS THAN 390 HOURS SINCE OVERHAUL. THERE NEED TO BE MORE INSULATION ON THE 3 WIRES.SDR 206040204Muffler · bulgedWHILE PERFORMING A ROUTINE PREFLIGHT INSPECTION, MECHANIC LOOKED UP TAILPIPES OF EXHAUST SYSTEM AND NOTICED SILENCER CONE HAD EXTENDED TO POSITION THAT WAS JUST SHORT OF CLOSING OFF EXHAUST PATH. THIS CONDITION OCCURRED OVER A PERIOD OF LESS THAN 50 HOURS WHESDR 2004FA0000347Alternator · failedOVERHAULED GEAR DRIVEN ALTERNATOR REPEATED FAILURE. ALTERNATOR P/N 646843 S/N D022878 WENT TO TWO TIMES FOR REPAIR OR OVERHAUL AND FAILED VERY SOON AFTERWARDS EACH TIME. 25 HOURS FIRST TIME AND .5 HOURS SECOND TIME. FIRST TIME WO NR MW25590 SECOND TIME WO NR MSDR 2004FA0000348Cylinder · leakingLEAKING CYLINDER CAUSED GEAR NOT TO LOCK, GEAR COLLAPSED DURING TAXI.SDR 2004FA0000146Hinge · wornTHE ORIGINAL HINGE MFG OF ALUMINUM WORE OUT AND DROPPED PIECES IN THE INTAKE, CAUSING DAMAGE TO THE TURBOCHARGER. SERIOUS DAMAGE WAS AVOIDED BY A TIMELY INSPECTION. THE NEW SUPPLIED PART IS STAINLESS STEEL WITH A HINGE PIN SECURED BY CRIMPING. THIS AREA IS SDR 2004FA0000295Sensor · faultyFLOAT DOES NOT BRING ARM TO FULL UP STOP WHEN SUBMERGED. IT WILL COME UP TO APPROX .7500 TO .8750 OF ITS TRAVEL. TAPPING ON THE HOUSING WILL EVENTUALLY BRING IT TO THE UP STOP. THIS, IAW MFG, DOES NOT MEET THEIR SPECIFICATIONS. THE FLOAT APPEARS TO NOT HAVSDR 2004FA0000217Nut · crackedNUTS ON SEVERAL HORIZONTAL STABILIZER REAR SPAR BOLTS WERE CRACKED OR BROKEN. NUT INSTALLED, NO NUTS HAD COME OFF AND BOLTS WERE NOT LOOSE IN SPAR. REPLACED NUTS AND NEW BOLTS WITH CURRENT HARDWARE.SDR LHO2004F00000Combust Chamber · corrodedCOMBUSTION TUBE WAS FOUND TO HAVE A CORROSION HOLE IN IT. PART FAILED SOME 25 PERCENT SHORT OF TBO. PILOT NOTED SOOT ON WINDSHIELD AND ODOR IN COCKPIT. THIS HEATER HAS AN EXTENDED LIFE CERAMIC COATED TUBE AND DOES NOT REQUIRE THE FREQUENT INSPECTIONS AND DESDR 2003FA0001269Bearing · inoperative(ELEVATOR ARM ASSY) THE BEARING OF THE ARM CAME OFF DURING FLIGHT AND JAMMED THE ELEVATOR.SDR 2004FA0000319Fuel Line · corrodedFRONT FUEL LINE FROM LT WING TANK WAS IN CONTACT WITH FRESH AIR DUCT IN THE WING, AERO DUCT PN CEET 1.5 INCH. THIS CAUSED CORROSION ON THE ALUMINUM FUEL LINE. PROBLEM WAS FOUND WHEN FUEL STARTED LEAKING OUT OF THE WING. REPLACED FUEL LINE AND FRESH AIR DUCTSDR XVQ2003F00000Bearing · failedAIRCRAFT WAS FORCED TO MAKE A GEAR UP LANDING, DAMAGING PROP AND ENGINE. THE CAUSE WAS FOUND TO BE THE FAILURE OF A BEARING/WHEEL ASSEMBLY THAT ACTUATES THE NOSE GEAR DOORS CLOSING MECHANISM. THE BEARING FAILED ALLOWING THE WHEEL PORTION TO SHIFT OUTBOARD EXSDR 2004FA0000027Motor · failedLANDING GEAR ELECTRIC MOTOR FAILED INFLIGHT PILOT HAD TO MANUALLY EXTEND GEAR. INSTALLED NEW MOTOR. OPS CHECK GOOD.SDR FFK2004F00002O-Ring · failedINSTALLED RETRACT MECHANISM. AFTER 38 HOURS ALL OIL LEAKED OUT, DETERMINED THERE WAS A BAD O-RING REMOVED FOR WARRANTY REPAIR. REINSTALLED SAME RETRACT MECHANISM. AFTER 44 HOURS, BELLCRANK AND DOWN LIMIT ARM GOT BENT (UNKNOWN HOW THIS HAPPENED), WITH ARM BESDR 2003FA0001210Line · swollenFUEL LINES IN LT AND RT DOOR POSTS FOUND SWOLLEN AND POROUS. RADIUS BEND AREA NEAR LOWER PORTION OF DOOR POST IS THE AREA AFFECTED.SDR FFK2004F00000Bolt · failedUPON LANDING, NOTICED THAT THE RT SIDE IB GEAR DOOR WAS NOT IN THE STOWED POSITION. CAUSE OF FAILURE, THE ROD END THAT CONTROLS MOVEMENT OF THE IB GEAR DOOR HAD EXCESSIVE WEAR CAUSING THE BOLT TO SHEAR AND ALLOWING GEAR DOOR TO SWING FREELY.SDR 031311BClamp · crackedDURING PRE-PURCHASE INSPECTION FOUND RT EXHAUST PIPE CLAMP CRACKED AND BROKEN AWAY FROM SUPPORT.SDR MK92003F00000Bar · brokenFLANGE ON RUDDER BAR BROKEN. LT SIDE, LT BRAKE PEDAL ATTACHMENT. PILOT WAS LANDING AIRCRAFT WHEN IT BROKEN. LANDED AND TAXIED SAFETLY. CLOSE INSPECTION OF ALL FLANGES AND SPRAYING PENTRATING OIL DOWN RUDDER PEDAL BAR WOULD HELP PREVENT INTERIOR CORROSION WSDR 2003FA0001082Cylinder Head · failedCYLINDER RECEIVED FOR TBO REPAIR. CYLINDER HEAD IS CRACKED FROM TOP SPARK PLUG BOSS AROUND THE DOME AREA ON THE EXHAUST SIDE OF THE HEAD, ALL THE WAY TO THE LOWER SPARK PLUG BOSS. NO EVIDENCE OF COMBUSTION PRODUCTS ON THE OUTSIDE OF THE CYLINDER HEAD SO CRACK
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