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 2008FA0000694Spring Drive · brokenSPRING DRIVE DISCOVERED BROKEN AT DISASSEMBLY. (K)SDR FPI2008F00000Cable · brokenMFG SERVICE KIT PN SK210174, CABLE ASSY BROKE AT THREADED END AFTER THE STOP NUT SEVEN WEEKS AFTER INSTALLATION APPEARS THREAD WALL IS TOO THIN LEADING TO FATIGUE. (K)SDR FPI2008F00001Cable · brokenMFG SERVICE KIT, PN SK210-174 CABLE ASSEMBLY BROKE AT THREADED END AFTER THE STOP NUT FIVE WEEKS AFTER INSTALLATION APPEARS THREAD WALL IS TOO THIN LEADING TO FATIGUE. (K)SDR XGN2008F00006Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. ECI REV 3 E SERIES CYLINDER. ALL DEFECTIVE. (K)SDR XGN2008F00007Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV E SERIES CYLINDER. ALL DEFECTIVE.SDR XGN2008F00008Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV 3 E SERIES CYLINDER. ALL DEFECTIVE. (K)SDR 2008FA0000487Bulkhead · crackedPROPELLER SPINNER BULKHEAD CRACKING BETWEEN ATTACH BOLT HOLES IN (2) PLACES. CRACK COULD BE INDUCED FROM VIBRATION. INSPECT VISUALLY EVERY PRE-FLIGHT. A BETTER HEAT TREATING PROCESS MAY STRENGTHEN THE BULKHEAD AND REDUCE THE CRACKING FROM VIBRATION. (K)SDR W1X2008F00000Bellcrank · brokenFAILURE OF NOSE GEAR TO EXTEND, FOUND BELLCRANK ON GEAR BOX BROKEN. (K)SDR 2008FA0000302Gasket · failedTHE OIL COOLER ADAPTER GASKET TAILED IN FLIGHT CAUSING (2) QUARTS OF OIL IN ONE HOUR TO BE PUMPED INTO THE ENGINE COWLING. THIS ENGINE IS A FACTORY REMANUFACTURED ENGINE WITH 140 HOURS SINCE REMAIN. ON INSPECTION AND DISASSEMBLY THE OIL COOLER ADAPTER BOLTS SDR 2008FA0000248Throttle Switch · intermittentGEAR WARNING HORN WAS INOPERATIVE. AC LANDED WITH LANDING GEAR UP. SUBSEQUENT INVESTIGATION DETERMINED THROTTLE MICROSWITCH WAS MAKING INTERMITTENT CONTACT WHEN ENGAGED AND GROUND CONNECTION WAS INSUFFICIENT. CORRECTED BY REPLACING SWITCH AND REPAIRING GROUSDR CALS097001Shield · crackedCHI FOUND A CRACKED DRIPSHIELD UNDER G1 FLOOR DURING AIRCRAFT B-18275 HEAVY MAINTENANCE OF 3D CHECK. THIS DRIPSHIELD HAD A 3 INCH DIAMETER HOLE WITH NUMEROUS CRACKS LOCATED IN AN AREA APPROXIMATELY 18 INCHES BY 8 INCHES. THE DRIPSHIELD IS INTENDED TO PROTECT ESDR 7AA2008F00000Bolt · shearedWHILE PREPARING AIRCRAFT FOR HORIZONTAL STABILIZER REMOVAL, THE 4 BOLTS THAT ATTACH THE HORIZONTAL STABILIZER TO THE AFT FUSELAGE ALL SHEARED WITH MINIMAL EFFORT WHEN THEY WERE BEING REMOVED. THERE ARE STANDARD AIRCRAFT BOLTS, AN5-6A. (K)SDR OMKR200711211Adjuster · improper partAD 2004-19-01C CALLS FOR A SPRING TO BE REMOVED FROM SHOULDER HARNESS ADJUSTER P/N443030-401, THAT WAS INADVERTENTLY INSTALLED ON A CERTAIN BATCH OF ACCESSORY KITS SHIPPED FROM MFG 1984 THROUGH 1986. THIS RESULTED IN AD 86-26-04 BEING ISSUED. CURRENTLY HAVE SDR 2007FA0000955Cylinder Head · separatedIN-FLIGHT NR 2 CYLINDER HEAD SEPARATED FROM CYLINDER BASE AT TOP OF SLEEVE. PUSHRODS AND TUBES BENT. EXHAUST MANIFOLD BENT. NOZZLE ASSEMBLY DAMAGED. (K)SDR 2007FA0000956Bracket · inoperativeTHE RT MAIN LANDING GEAR WOULD NOT RETRACT INTO WHEEL WELL. PILOT REPORTED LOUD BANG HEARD AFTER RETRACTING OF GEAR. WHEN EXTENDING THE GEAR FOR LANDING, THE RT GEAR WOULD NOT INDICATE GREEN BUT WAS VISUALLY CONFIRMED DOWN. PILOT LANDED WITHOUT INCIDENT ANDSDR CA070828007Exhaust Valve · burned(CAN) DURING A 100 HOUR INSPECTION, FOUND THE NR 2 CYLINDER LOW COMPRESSION, RESULT WAS THE EXHAUST VALVE EDGE WAS BURNED. (TC NR 20070828007)SDR 2007FA0000659Rod End · unserviceableDURING EXAMINATION OF AIRCRAFT POST INCIDENT, IT WAS DISCOVERED THAT ROD END (PN HMXL6G) ATTACHED TO THE NOSE GEAR RETRACT ARM (PN 35825172-2) WAS SHEARED OFF BELOW THE BEARING. IT APPEARS THE FAILURE STARTED IN A CRACK IN THE THREADS. THIS MOST LIKELY RELEASDR 2007FA0000550Bellcrank · brokenLT MAIN GEAR BELLCRANK ASSY BROKE IN MARCH OF 2007. THE PART WAS REPLACED BY A USED SERVICABLE PART WHICH LASTED APPROXIMATLY 58 HRS. THEN FAILED AT THE SAME LOCATION ON THE PART.SDR OYE2007F00001Leg Assy · brokenLT GEAR LEG BROKE ALONG LINE BETWEEN TOP (2) AXEL BOLTS. CORROSION IN CRACK INDICATES CRACK WAS PRESENT FOR SOME TIME. NTSB LAB HAS PART. (K)SDR 07N911KD01Spar · crackedDURING DETAILED INSPECTION OF TAILBOOM VERTICAL SPAR AREA FOUND 2 EA CRACKS APPROX .7500 INCHES IN LENGTH AT THE 1:00 O'CLOCK AND 7:00 O'CLOCK POSITIONS ON THE SECOND LIGHTING HOLE DOWN FROM TAIL ROTOR GEARBOX MOUNT. SUSPECT CRACKS HAVE BEEN WORKING FOR SOME TSDR 2007FA0000558Line · looseRT MAIN BRAKE FAILED ON AIRCRAFT ROLLOUT OF NORMAL CROSSWIND LANDING. BRAKE LINE B-NUT FOUND COMPLETELY LOOSE. (K)SDR CA070515005Hub · cracked(CAN) EDDY CURRENT DETECTED INDICATION BEYOND ALLOWABLE LIMITS ON HUB SOCKET NR 1, 2 TO 3 THREADS DOWN. (TC NR 20070515005)SDR S2G2007F00000Hinge Bracket · crackedFOUND SEVERAL CRACKS IN BOTH LT AILERON HINGE BRACKETS IN RADIUS OF THE LOWER EARS. THIS WAS FOUND DURING AN ANNUAL INSPECTION. (K)SDR S2G2007F00001Hinge Bracket · crackedFOUND SEVERAL CRACKS IN BOTH LT AILERON HINGE BRACKETS IN RADIUS OF THE LOWER EARS. THIS WAS FOUND DURING AN ANNUAL INSPECTION. (K)SDR 2007FA0000436Cylinder · crackedPARTIAL HEAD AND BARREL SEPARATION. LARGE CRACK STARTING AT THE FUEL INJECTOR PORT RUNNING INTO THE CYLINDER HEAD COMBUSTION CHAMBER, THROUGH THE INTAKE SEAT BOSS AND CONTINUING AROUND TO THE LOWER SPARK PLUG BOSS.SDR 2007FA0000244Bracket · crackedDURING A DETAILED INSPECTION OF THE EMPENAGE, THE RT HORIZONTAL STABILIZER HINGE BRACKET P/N 0712042-2 WAS FOUND CRACKED AND HAD (2) SHEARED RIVETS. UPON DISASSEMBLY THE LT BRACKET P/N 0712042-1 WAS FOUND TO HAVE (2) SHEARED RIVETS. THESE PARTS ARE IN THE MFSDR 815AC701Unknown · malfunctionedAPPROACH TO LANDING, WOULD NOT EXTEND, ELECTRICALLY. MANUAL EXTENSIONS PROCEDURES WERE FOLLOWED AND OPERATED NORMALLY. PILOT EXTENDED LANDING GEAR USING MANUAL EXTENSION PROCEDURES, 3 GREEN DOWN AND LOCKED INDICATIONS, AN UNEVENTFUL LANDING WAS COMPLETED. ASDR 2007FA0000090Control Cable · brokenFOUND BROKEN STRANDS ON ELEVATOR CABLE BEHIND INSTRUMENT PANEL ABOUT 10 INCHES ABOVE THE (PN 535521242-13) BOBWEIGHT. (K)SDR 2007FA0000347Screw · departedAIRCRAFT HAD GEAR UP LANDING, FOUND SCREW PN AN503-8-4 HAD FALLEN OUT. SCREW WAS TO BE SAFTIED, NO SAFETY WIRE FOUND. ONCE SCREW FELL OUT THE POWER PISTON HOUSING PN 3A07402-002 WAS ALLOWED TO FLEX DURING SUB CYCLES ALLOWING THE SCREW TO TEAR THE ORING ON THSDR 2006FA0001093Hinge Pin · looseCABIN DOOR TOP HINGE PIN KEEPER COTTER PIN FAILED. THE PIN, A CLEVIS BOLT, WAS INSTALLED FROM THE BOTTOM DUE TO STRUCTURAL DESIGN LIMITATIONS. THE FAILURE OF THE COTTER PIN ALLOWED THE CLEVIS PIN THE PARTIALLY FALL OUT OF PLACE ALLOWING THE DOOR TO MOVE. COMPLSDR IALFAASDR1Wire Harness · brokenAIR DRIVEN GENERATOR TEST IN FLIGHT, FOUND NO OUTPUT. FOUND WIRING HARNESS FROM ADG TO ADG BUSS BURNED-BROKEN AT CONNECTOR BACKSHELL. CONNECTOR AND WIRING REPLACED ADG INSPECTED AND TESTED SERVICEABLE.SDR KNF2006F00000Hinge · damagedDURING A ROUTINE, NR 3 INSPECTION, (WINGS, TAIL SURFACES, INTERIOR) MOVEMENT WAS NOTICED IN THE RT WING. IB AILERON HINGE ASSY WHEN THE AILERON WAS HELD AGAINST THE TRAVEL STOP. UPON FURTHER INSPECTION, A SMALL CRACK WAS NOTICED IN THE IB FLANGE OF THE HINGESDR KNF2006F00001Hinge · wornDURING A ROUTINE, NR 3 INSPECTION, MOVEMENT WAS NOTICED IN THE RT WING, OB AILERON HINGE ASSY WHEN THE AILERON WAS HELD AGAINST THE TRAVEL STOP. UPON FURTHER INSPECTION, A SMALL CRACK WAS NOTICED IN THE OB FLANGE OF THE HINGE ASSY. THE AILERON BAY FILLET WSDR ERH2006F00000Casting · brokenSKIPLANE LANDED ON GLACIER. AFTER LANDING, AIRCRAFT TAXIED OVER A SNOW COVERED CREVASSE. PILOT HEARD A LOUD BANG. THE AIRCRAFT LANDED TO THE LEFT AS HE STOPPED. PILOT UNLOADED PASSENGER, AND INVESTIGATED THE LT GEAR BOX AREA. INVESTIGATION OF THIS AREA RESDR ERH2006F00001Reinforcement · unserviceableTHE AFT ATTACH POINTS OF THIS 185 HORIZONTAL STABILIZER ARE STRUCTURALLY REINFORCED WITH AN INTERNAL REINFORCEMENT TRIANGLE BRACKET, PN 0732106, AND 0732106-1. CRACKS IN THESE REINFORCEMENTS WERE FOUND AROUND THE WASHERS OF THE ATTACH HARDWARE, AND IN THE RADSDR 2006FA0000789Cylinder · damagedON ANNUAL INSPECTION, WORK WAS BEING PERFORMED TO REPAIR OIL LEAK ON PUSH ROD TUBE SEALS, WHEN PUSHRODS WERE REMOVED, THEY WERE FOUND TO BE BENT AND GREATER THAN 50 PERCENT OF TOTAL TUBE WORN THROUGH. FURTHER INVESTIGATION FOUND THAT SEVERAL TUBES WERE FOUND SDR 2006FA0000760Snap Ring · failed2 SNAP RINGS FAILED ON PROPELLAR BLADES. (K)SDR 2006FA0000632Control Cable · frayedAT ANNUAL INSP RT AFT RUDDER CABLE WAS FOUND FRAYED ALMOST IN TWO. CABLE WAS FOUND ROUTED OVER THE TOP OF ONE CABLE PULLEY GUARD PIN, AND UNDER ANOTHER AT SAME LOCATION IN AFT TAIL SECTION. CABLE REMOVED APPEARED TO BE THE ORIGINAL CABLE INSTALLED IN AIRCRAFSDR XGN2006F00076Pump · inoperativeTHIS PUMP WAS INSTALLED NEW WITH ZERO TIME ON IT. IT HAS A 2000 TBO. IT LASTED 92.9 HRS. THE PUMP FAILED INTERNALLY. THE DRIVE GEAR WHEN TURNED BY HAND LOCKS UP INSIDE THE PUMP. (K)SDR ENE2006F00000Cylinder Head · separatedBOTH CYLINDERS FAILED AT TAKEOFF POWER SETTING WITHIN 2 HOURS OF EACH OTHER. FAILURE CONSISTING OF COMPLETE SEPARATION OF THE HEAD FROM THE BARREL, CAUSING DAMAGE TO THE BAFFLING. EXHAUST COLLECTOR, AND SEVERING OF THE FUEL INJECTOR LINE.SDR S2G2006F00000Skin · corrodedFOUND PART TO SEVERLY CORRODED AND HAD SEPARATED, TO 2 RIBS. PROBABLE CAUSE: PAINT STRIPPER, RECOMMEND THROUGH CLEANING AFTER STRIPPING AN AIRCRAFT FOR PAINT. (K)SDR FE5F200600001Clip · looseAFTER T/O, WHILE ALTITUDE 7000 FEET, THE PILOT FOUND TAILCONE UNSAFE LIGHT IS COMING ON, THEN AIRTURN BACK HOME BASE. DURING GROUND INSP FOUND LOCK CABLE IN INTERNAL WARNING SWITCH LOOSEN, IAW AMM 53-53-00 REPLACED CLIP AND REINSTALL LOCK CABLE OK, AND CHECK SDR 2006FA0000111Relay · intermittentPILOT REPORTED AFTER PUTTING THE GEAR SELECTOR IN THE DOWN POSITION THE GEAR WOULDN`T EXTEND, AFTER CYCLING GEAR SELECTOR GEAR WENT DOWN, AIRCRAFT RETURNED TO BASE. ON TROUBLESHOOTING THE MECHANIC SELECTED DOWN AND IT FAILED TO EXTEND, AFTER TAPPING ON TOP OFSDR 2006FA0000084Cylinder Head · crackedENGINE CYLINDER CRACKED AT BARREL AND HEAD. (K)SDR 2006FA0000101Relay · failedMECHANIC REMOVED NEW RELAY FROM STOCK AND INSTALLED ON AIRCRAFT AND GEAR FAILED TO EXTEND, AFTER TAPPING ON THE TOP OF RELAY GEAR WENT DOWN. MECHANIC THEN INSTALLS ANOTHER NEW RELAY FROM STOCK AND SYSTEM OPERATED NORMAL. PROBABLE CAUSE AT THIS TIME UNKNOWN. SDR 2006FA0000124Transceiver · malfunctionedDURING POST INSTALLATION CHECKS, FOUND THE GDL90 UAT REPORTING CONTINUOUS GPS FAILURE. REPLACEMENT OF THE UNIT CORRECTED THE ERROR. (K)SDR BSYA20050034Door · openON DEPARTURE, PILOTS DOOR POPPED OPEN, PILOT RETURNED TO BLOCK REOCCURRED DOOR AND CONTINUED ON WITH FLIGHT.SDR BSYA200500031Door · openON TAKEOFF OUT, CREW DOOR CAME OPEN AND PILOT RETURNED TO BASE SECURED DOOR THEN TOOK OFF TO CONTINUE FLIGHT.SDR 2005FA0001599Muffler · brokenRT SIDE MUFFLER, REAR TAIL-PIPE OUTLET, CRACKED OFF OF THE MUFFLER ALLOWING HOT GASES TO BLOW ONTO FIREWALL AND SURROUNDING COMPONENTS. AN ENGINE FIRE OCCURRED AND AIRCRAFT MADE EMERGENCY LANDING. THE TAIL PIPE BALL JOINT FOUND TO BE STILL INTACT WITH THE (VSDR SWAA054020Lens · missingR2 DOOR EMERGENCY EXIT LIGHT LENS MISSING. REMOVED AND REPLACED EXIT LIGHT ASSY IAW MM.
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