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.

SDR AU970705Cylinder · cracked(AUS) ENGINE CYLINDER CRACKED BETWEEN TOP SPARK PLUG HOLE AND INJECTOR NOZZLEMay 10, 1997 · Cessna 210M · Reciprocating Engine Cylinder SectionSDR AU970543Control Cable · worn(AUS) ELEVATOR CONTROL CABLE WORN - CABLE HAD BEEN INCORRECTLY ROUTED OVER A PULLEY GUARD PNO NAS 427K11 ON THE PULLEY LOCATED SECOND FROM THE FRONT - AIRCRAFT HAD BEEN REBUILT 242.3 HOURS PREVIOUSLY FOLLOWING AN ACCIDENT - PERSONNEL/MAINTENANCE ERRORMay 9, 1997 · Cessna 210N · Elevator Control SystemSDR AU970584Stud · loose(AUS) LH AND RH MAIN LANDING GEAR DOWNLOCK SUPPORT ASSEMBLY FORWARD RETAINING STUDS LOOSE - AIRCRAFT HAD BEEN RECENTLY REBUILT FOLLOWING AND ACCIDENT 242.3 HOURS PREVIOUSLY - PERSONNEL/MAINTENANCE ERRORMay 9, 1997 · Cessna 210N · Main Landing Gear Attach SectionSDR AU970463Crankcase · worn(AUS) CRANKCASE MAIN BEARING JOURNALS AND OUTER SHELL SURFACES WORN EXCESSIVELY - CRANKSHAFT CENTRE MAIN JOURNAL BADLY SCORED - SUSPECT INCORRECT LINE BORING DURING OVERHAULApr 30, 1997 · Cessna 210N · Reciprocating Engine Power SectionSDR 97ZZZX1872Adapter · damagedDURING ENGINE CHANGE, THE OIL FILTER ADAPTER WAS REMOVED AND THE THREADS WERE FOUND DAMAGED AS DEPICTED IN AD 96-12-22. THERE WERE NO SIGNS OF LEAKAGE, BUT THE BREAKAWAY TORQUE APPEARED TO BE LOW. SUBMITTER STATED THIS IS THE THIRD ADAPTER OF THIS TYPE FOUNDApr 1, 1997 · N756HK · Cessna U206G · Reciprocating Engine Oil SystemSDR AU970703Cylinder · worn(AUS) NO6 CYLINDER FUEL INJECTOR NOZZLE HOLE WORN OUTMar 26, 1997 · Cessna 210M · Reciprocating Engine Cylinder SectionSDR 98ZZZX4461Valve Guide · wornDURING A ROUTINE COMPRESSION CHECK, EXCESSIVE LEAKAGE PAST THE PISTON RINGS WAS FOUND ON THE THE NR 2 CYLINDER. THE REMOVED CLYINDER WAS FOUND WORN OUT AND THE PISTON RINGS STUCK IN THE RING GROOVES. SUBMITTER SUGGESTED POSSIBLE CAUSE AS EXCESSIVE LEAD SLUDGMar 21, 1997 · N961CC · Cessna 210N · Reciprocating Engine Cylinder SectionSDR AU970297Torque Link · cracked(AUS) NOSE LANDING GEAR TORQUE LINK CRACKED ON FORWARD REINFORCING WEBSMar 20, 1997 · Cessna 210N · Nose/Tail Landing Gear Strut/AxleSDR AU970908Skin · separated(AUS) STABILISER LEADING EDGE SEPARATED FROM THREE RIBSMar 18, 1997 · Cessna 210L · Horizontal Stabilizer, Plate/SkinSDR AU970909Rib · corroded(AUS) TOP RUDDER RIB AND BALANCE WEIGHT STRUCTURE SEVERELY CORRODEDMar 18, 1997 · Cessna 210L · Rudder, Spar/RibSDR AU970910Bracket · corroded(AUS) HORIZONTAL STABILISER LH AND RH ATTACHMENT BRACKETS PNO 1232400-1 AND PNO 1232400-2 CONTAINED INTERGRANNULAR CORROSIONMar 18, 1997 · Cessna 210L · Horizontal Stabilizer, Attach FittingsSDR AU970912Maintenance Log · incomplete(AUS) LOG BOOK ENTRY INDICATED AN STC HAD BEEN INCORPORATED REGARDING A LANDING GEAR DOOR REMOVAL MODIFICATION - NO DATA ACCOMPANIED THE AIRCRAFT RECORDS AND THERE WAS NO ENGINEERING ORDER AUTHORISING THE STC - NO WEIGHT CHANGES WERE RECORDED IN THE LOG BOOKMar 18, 1997 · Cessna 210L · Placards and MarkingsSDR AU970913Skin · corroded(AUS) LH UPPER FUSELAGE TAILCONE LAP JOINT CORRODED BETWEEN AFT WINDOW AND REAR BULKHEAD - SEVERE INTERNAL CORROSION ADJACENT TO HF ANTENNA CERAMIC INSULATORMar 18, 1997 · Cessna 210L · Fuselage Main, Plate/SkinSDR AU970277Crankcase · defective(AUS) AT ENGINE OVERHAUL THE CRANKCASE WAS BOLTED TOGETHER AND TUNNELS WERE MEASURED OUT OF LIMITSMar 17, 1997 · Cessna 210N · Reciprocating Engine Power SectionSDR AU970231Cylinder · stripped(AUS) ENGINE CYLINDER HEAD FUEL NOZZLE RETAINING THREADS STRIPPED - FUEL NOZZLE LOOSE - CYLINDER IS 0.0015IN PLUS OVERSIZE WITH UNKNOWN TOTAL TIME IN SERVICE - AD/CON/60 CARRIED OUT 50 HOURSPRIOR TO FAILUREMar 16, 1997 · Cessna 210M · Reciprocating Engine Cylinder SectionSDR 97ZZZX1232Cylinder · crackedNR 3 CYLINDER WAS REMOVED DUE TO LOW COMPRESSION. THE CYLINDER WAS SENT FOR INSPECTION. THE CYLINDER INSPECTION REVEALED A CRACK WHICH BEGAN AT THE SPARK PLUG HOLE AND TERMINATED AT THE INTAKE VALVE SEAT.Mar 6, 1997 · N962CC · Cessna 210R · Reciprocating Engine Cylinder SectionSDR 97ZZZX1233Cylinder · crackedWHILE PERFORMING TCM SB 96-12, CONTINUED AIRWORTHINESS INSTRUCTIONS FOR TCM CYLINDERS, BUBBLES WERE FOUND ACCUMULATING AROUND THE NR 2 CYLINDER UPPER SPARK PLUG HOLE. INSPECTION REVEALED A CRACK AT THE SPARK PLUG HOLE. THE CRACK ORIGINATED AT THE 3 O'CLOCK PMar 6, 1997 · N962CC · Cessna 210R · Reciprocating Engine Cylinder SectionSDR AU970247Injector · blocked(AUS) NO2 CYLINDER FUEL INJECTOR NOZZLE BLOCKEDFeb 28, 1997 · Cessna 210N · Fuel Injector NozzleSDR AU970296Crankcase · cracked(AUS) ENGINE BULK STRIPPED FOLLOWING PROPELLER STRIKE - CRANKCASE FOUND TO BE CRACKED BETWEEN NO4 AND NO5 MAIN BEARING SADDLES - FOUND USING FPIFeb 25, 1997 · Cessna 210L · Reciprocating Engine Power SectionSDR AU970130Hub · cracked(AUS) PROPELLER HUB CRACKED IN NO2 BLADE SOCKET AREA - CRACK LENGTH APPROXIMATELY 6.35MM (0.25IN) - FOUND DURING INSPECTION IAW AD/PMC/41 FOLLOWING WIRE STRIKEFeb 18, 1997 · Cessna 210M · Propeller Hub SectionSDR AU970173Hose · deteriorated(AUS) VACUUM PUMP AIR HOSES DETERIORATED AND BREAKING UP INTERNALLY - FOUND DURING INSPECTION IAW CESSNA SEB 96-10Feb 18, 1997 · Cessna 210N · Vacuum Distribution SystemSDR 98ZZZX4459Valve Guide · crackedA ROUTINE COMPRESSION CHECK INDICATES LEAKAGE ON THE NR 2 CYLINDER. FURTHER INVESTIGATION REVEALS A CRACK ON THE CYLINDER HEAD THAT EXTENDS FROM THE FUEL INJECTOR HOLE TO THE SPARK PLUG HOLE. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE CYLINDER HEAD INSTFeb 17, 1997 · N962CC · Cessna 210R · Reciprocating Engine Cylinder SectionSDR AU970124Nut · loose(AUS) NOSE LANDING GEAR DOOR ACTUATING ROD JAM NUTS NOT TIGHTENED - PERSONNEL/MAINTENANCE ERRORFeb 16, 1997 · Cessna 210L · Landing Gear Door Retract SectionSDR AU970125Drive Shaft · worn(AUS) ENGINE DRIVEN FUEL PUMP DRIVE SHAFT WORN - DRIVE SHAFT ROUNDED -FEMALE END IN PUMP ALSO WORNFeb 13, 1997 · Cessna 210N · Engine Fuel PumpSDR AU970131Switch · stuck(AUS) NOSE LANDING GEAR DOWNLOCK MICROSWITCH STICKING DUE TO DIRT AND OIL CONTAMINATIONFeb 4, 1997 · Cessna 210L · Landing Gear Position and WarningSDR AU970157Downlock · contaminated(AUS) LH MAIN LANDING GEAR DOWNLOCK HOOK CONTAMINATED WITH DIRT AND GRIT - AIRCRAFT OPERATES FROM DIRT STRIPSJan 24, 1997 · Cessna 210L · Landing Gear Retraction/Extension SystemSDR CA961203013Reservoir Tank · leaking(CAN) FUEL RESERVOIR TANK FOUND SEEPING FUEL FROM THE FORWARD TOP SEAM WELD. NO CRACK VISIBLE. TANK HAD BEEN PREVIOUSLY REPAIRED AT 3197 HOURS.Nov 21, 1996 · Cessna 210R · Fuel StorageSDR 96ZZZX5007Bracket · separatedTHROTTLE BODY SUPPORT BRACKET FOUND SEPARATED AT ANNUAL INSPECTION. TIS: 156.5 HOURS, SEPARATED AT SPOT WELDS.Sep 18, 1996 · N9489M · Cessna 210M · Fuel Control/Reciprocating EnginesSDR AU961196Pipe · worn(AUS) ENGINE OIL PRESSURE PIPE LOCATED BETWEEN FIREWALL AND OIL PRESSURE GAUGE WORN THROUGH AND LEAKING DUE TO CHAFING BY SCAT HOSEAug 22, 1996 · Cessna 210N · Engine Oil Indicating SystemSDR AU961134Vent · damaged(AUS) RH FUEL TANK VENT LINE DAMAGED DUE TO EXCESSIVE BEND IN LINE - LINE PARTIALLY BLOCKEDAug 2, 1996 · Cessna 210N · Fuel StorageSDR AU961012Bearing · cracked(AUS) NOSE LANDING GEAR ACTUATOR BEARING END CRACKED IN AREA OF ROLL PINS AS INDICATED IN CESSNA SB95-20Jul 19, 1996 · Cessna 210N · Landing Gear ActuatorSDR 96ZZZX3766Nozzle · threads strippedWHEN REMOVING FUEL INJECTOR NOZZLE FOR CLEANING AT FIRST 91-HOUR TSMOH, FACTORY REMANUFACTURE, NOZZLE CAME OUT OF CYLINDER HEAD WITH ALUMINUM, STRIPPED THREADS IN CLYINDER HEAD.Jul 13, 1996 · N2013S · Cessna 210L · Reciprocating Engine Cylinder SectionSDR AU960961Spring · broken(AUS) ENGINE OIL FILTER ADAPTER PNO 1250921-1 BYPASS SPRING BROKEN INTOTHREE PIECES - VALVE CAP PNO 0756022-1 FOUND ON OIL PRESSURE RELIEF VALVE SEAT - FURTHER INSPECTION FOUND SPRINGS ON TWO OTHER AIRCRAFT BADLY WORNJul 12, 1996 · Cessna 210M · Reciprocating Engine Oil SystemSDR AU960953Wheel · worn(AUS) RUDDER TRIM WHEEL GEAR PNO 1261471-5 AND SPROCKET PNO 1261462-1 HAD WORN TEETH - TEETH WERE WORN TO THE EXTENT THAT THE TEETH SLIPPED PAST EACH OTHER WITHOUT ACTIVATING THE CHAINJul 9, 1996 · Cessna 210N · Rudder Tab Control SystemSDR AU960903Pipe · cracked(AUS) BRAKE PIPE FAILED AT FLARE - LOSS OF HYDRAULIC FLUID CAUSED BRAKE FAILURE ALLOWING AIRCRAFT TO RUN OFF AIRSTRIP AND DAMAGE PROPELLER - SUSPECT CAUSED BY ROCKS ON LANDING STRIPJun 18, 1996 · Cessna 210M · Landing Gear Brake SystemSDR 96ZZZX3331Lifter · chippedWHILE CLEANING-INSPECTING LIFTER FOR REINSTALLATION, FOUND CAMSHAFT FACE OF LIFTER CHIPPED.Jun 12, 1996 · N732LW · Cessna 210M · Reciprocating Engine Power SectionSDR AU960775Wire · deteriorated(AUS) ALTERNATOR BATTERY WIRE DETERIORATED INTERNALLY - WIRE FRACTURED AND ARCINGJun 7, 1996 · Cessna 210N · DC Generating SystemSDR AU960910Pump · faulty(AUS) ENGINE DRIVEN FUEL PUMP SUSPECT FAULTY - STRIP INSPECTION COULD FIND NO FAULTSJun 5, 1996 · Cessna 210N · Engine Fuel PumpSDR AU960747Torque Tube · broken(AUS) RH RUDDER TORQUE TUBE FAILED IN AREA OF WELD ATTACHING THE MAIN TUBE TO THE SHORT VERTICAL STUB - VERTICAL STUB IS BOLTED TO THE RH RUDDER PEDALMay 21, 1996 · Cessna 210N · Rudder Control SystemSDR CA960515009Tie Bolt · broken(CAN) ALTERNATOR CASE TIE BOLT BROKEN IN THREADED AREA, 1/2 INCH FROM THE END OF THE BOLT. THIS IS THE 3RD SIMILAR OCCURRENCE ON THIS AIRCRAFT. PREVIOUS CASES WERE ON DIFFERENT S/N ALTERNATORS.May 6, 1996 · Cessna 210R · DC Generator-AlternatorSDR AU960613Engine · low power(AUS) ENGINE POWER LOSS - INVESTIGATION COULD FIND NO CAUSE FOR THE PROBLEM - A SMALL AMOUNT OF WATER WAS FOUND IN THE LH FUEL TANKMay 2, 1996 · Cessna 210N · Engine (Reciprocating)SDR AU960992Bracket · distorted(AUS) LANDING GEAR SQUAT SWITCH BRACKET BENTMay 1, 1996 · Cessna 210N · Landing Gear Position and WarningSDR CA960507012Motor · overheated(CAN) CREW REPORTED BURNT SMELL AND UNDERCARRIAGE CIRCUIT BREAKER POPPED. GEAR LOWERED BY HAND PUMP. HYDRAULIC POWERPACK MOTOR RUNNING SLOW AND OVERHEATING. MOTOR REPLACED.May 1, 1996 · Cessna 210R · Hydraulic Pump (Electric/Engine), MainSDR AU960534Microswitch · faulty(AUS) LANDING GEAR MICROSWITCH ACTUATING ARM BROKEN OFF - WARNING HORN FAILED TO OPERATE AND AIRCRAFT LANDED WITH GEAR RETRACTEDApr 29, 1996 · Cessna 210L · Landing Gear Position and WarningSDR AU960568Cable · frayed(AUS) RH AILERON/RUDDER INTERCONNECT CABLE FRAYED DUE TO CHAFING ON EACH END OF THE STEEL TUBE COVERING THE CABLEApr 29, 1996 · Cessna 210L · Aileron Control SystemSDR AU960555Switch · faulty(AUS) LANDING GEAR MOTOR PRESSURE SWITCH WIRE BROKEN AT SOLDERED JOINT - FAILURE WAS COVERED BY HEAT SHRINK MAKING IT DIFFICULT TODETECTApr 20, 1996 · Cessna 210L · Landing Gear Retraction/Extension SystemSDR 96ZZZX2408Cylinder · crackedFIVE OF SIX CYLINDERS HAVE CRACKS IN ROCKER BOSS AREA UP TO THE ROCKER SHAFT RETAINING BOLTS. TWO OF THESE FIVE HAVE CRACKS ON INTAKE AND EXHAUST BOSSES. THIS ENGINE DOES NOT INCORPORATE LONG BOLTS AND SOLID SHAFTS.Mar 20, 1996 · N732DZ · Cessna 210L · Reciprocating Engine Cylinder SectionSDR AU960932Solenoid · faulty(AUS) LANDING GEAR CONTROL SOLENOID PNO 9881202-1 HAD INSULATION BREAKDOWN - LANDING GEAR FAILED TO EXTEND ELECTRICALLY - EXTENDED SAFELY WITH MECHANICAL HYDRAULIC HAND PUMPMar 1, 1996 · Cessna 210L · Landing Gear Retraction/Extension SystemSDR AU960221Bracket · cracked(AUS) HORIZONTAL STABILIZER AFT LH MOUNTING REINFORCING BRACKET CRACKED ALONG BEND RADIUS ADJACENT TO LOWER OUTBOARD BOLT - CRACK LENGTH 25MM (0.98IN)Feb 26, 1996 · Cessna 210N · Horizontal Stabilizer StructureSDR AU960314Switch · faulty(AUS) LH MAIN LANDING GEAR DOWNLOCK MICROSWITCH FAULTY - NLG MICROSWITCH SUSPECT FAULTYFeb 23, 1996 · Cessna 210L · Landing Gear Position and Warning
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