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.

SDR VJ3R2012FA0000028Circuit Breaker · brokenPILOT REPORTED TAXI LIGHT INOPERATIVE. ON TROUBLESHOOTING THE TECH FOUND THE CIRCUIT BREAKER AT FAULT. INSTALLED NEW CIRCUIT BREAKER. OPS CHECKED OK. SWITCH THAT FAILED WAS INSTALLED TO COMPLY WITH AD 2008-13-17. THIS ACFT HAS HAD 4 OF THE IMPROVED CIRCUITJan 13, 2012 · N1564A · Beech F33A · Light System WiringSDR VJ3S2011FA0000766Circuit Breaker · failedPILOT REPORTED LANDING LIGHT INOPERATIVE. ON TROUBLESHOOTING TECH FOUND CIRCUIR BREAKER TO BE AT FAULT. CIRCUIT BREAKER HAD BEEN REPLACED, 1303 FLIGHT HOURS PRIOR AND ESTIMATED CYCLES 5212. NOTIFIED NEW CIRCUIT BREAKER MANUFACTURER.Dec 1, 2011 · N8252T · Beech F33A · Exterior LightingSDR O592011F00003Cylinder · crackedDIR OMG 50 HR INSPECTION AND COMPRESSION CHECK, FOUND NR 3 CYLINDER LOW 56/80. AFTER REMOVAL, FOUND TO BE CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. THIS IS 1 OF SEVERAL FOUND TO BE CRACKED.Oct 21, 2011 · N4615X · Cessna U206G · Reciprocating Engine Cylinder SectionSDR 2011FA0000655Circuit Breaker · failedPILOT REPORTED LANDING LIGHT INOP. ON TROUBLESHOOTING THE TECH FOUND THE CIRCUIT BREAKER AT FAULT. INSTALLED NEW CIRCUIT BREAKER. OPS CHECKED OK.Oct 3, 2011 · N8173C · Beech F33A · Exterior LightingSDR AG2R20110728001Cylinder · crackedEXHAUST SEAT BOSS CRACKED THROUGH OUTTER WALL.Jul 28, 2011 · Reciprocating Engine Cylinder SectionSDR 2011FA0000425Circuit Breaker · failedPILOT REPORTED STROBE LIGHTS INOP. ON TROUBLESHOOTING TECH FOUND CIRCUIT BREAKER/SWITCH TO BE AT FAULT. AD 2008-13-17 HAD BEEN COMPLETED 1830 FLIGHT HOURS PRIOR.Jun 28, 2011 · N5519A · Beech F33A · Exterior LightingSDR 2011FA0000426Circuit Breaker · failedPILOT REPORTED STROBES LIGHT’S INOP. ON TROUBLESHOOTING TECHNICIAN FOUND CIRCUIT BREAKER / SWITCH TO BE AT FAULT. AD 2008-13-17 HAD BEEN COMPLETED 2300 FLIGHT HOURS PRIOR, ESTIMATED CYCLES 9200. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.Jun 28, 2011 · N5585Y · Beech F33A · Exterior LightingSDR 2011FA0000254Nut · backed outINSPECTION AFTER ACFT RECEIVED FROM PAINT SHOP FOUND LT ELEVATOR ACTUATING ROD NUT UNPINNED AND BACKED OFF ALMOST COMPLETELY AND BOLT BACKING OUT. LT AILERON OTBD HINGE NOT ATTACHED. HINGE PLATE PINCHED BETWEEN SKIN. AILERON BINDING. THIS ACFT HAS BEEN FLOWApr 21, 2011 · N87CA · Beech 58A · Elevator Control SystemSDR 2011FA0000248Duct · chafedDURING ANNUAL INSP FOUND THE LT ENGINE FUEL METERING UNIT BLAST DUCT CHAFING ON ENGINE MOUNT TUBE. FOUND THAT THE METAL WIRE IN THE BLAST DUCT HAD WORN THROUGH THE BLAST DUCT AND WORE INTO THE ENGINE MOUNT TUBE REQUIRING THE ENGINE MOUNT TO BE REMOVED FOR REPAApr 11, 2011 · N18752 · Beech 58 · Nacelle/Pylon, Main FrameSDR XGN2011F00009Wire · disconnectedALTERNATOR FAILED IN FLIGHT. WIRES TO THE BRUSH BLOCK HAD BECOME DISCONNECTED INSIDE THE ALTERNATOR.Apr 6, 2011 · N236CH · Beech A36 · Electrical Power System WiringSDR WVBACL020311Push-Pull Cable · bindingFLAP PUSH PULL CONTROL CABLE, PN 9860058-7, WAS FOUND TO BE BINDING AND NOT MOVING SMOOTHLY IN ITS HOUSING. UPON REMOVAL OF CABLE, ALSO FOUND CRACKED T/E RIB, PN 0523233-6, DAMAGED AGAIN AFTER A VERY POOR PREVIOUS REPAIR. RIB WAS REPAIRED USING POORLY FORMEDFeb 2, 2011 · N72094 · Cessna U206D · Trailing Edge Flap Control SystemSDR 2011FA0000065Gasket · leakingPILOT REPORTS BURNING OIL SMELL IN COCKPIT. FOUND NR1 CYLINDER ROCKER COVER GASKET LEAKING ONTO RT EXHAUST. REPLACED NR 1 CYLINDER ROCKER COVER GASKET.Jan 22, 2011 · N755AB · Cessna 207A · Reciprocating Engine Cylinder SectionSDR BSYA2011006Door · unsecureCABIN DOOR POPPED OPEN SHORTLY AFTER TAKEOFF OUT OF VCV HEADING TO AIRPORT. PILOT DEVERTED TO THE NEAREST AIRPORT, ACFT LANDED, PILOT SECURED DOOR AND CONTINUED WITH FLIGHT.Jan 20, 2011 · N2064V · Beech 58 · Passenger/Crew DoorsSDR 2011FA0000064Gasket · leakingPILOT REPORTED SMOKE IN THE COCKPIT, COMING FROM THE DEFROST VENT. INSPECTED UNDER PANEL WIRING FOR EVIDENCE OF HOT WIRES. NONE FOUND. INSPECTED ENGINE COMPARTMENT FOR ANY INDICATIONS OF BURNING WIRING OR ANY OTHER PROBLEM. FOUND NR 4 VALVE COVER LEAKING OJan 16, 2011 · N755AB · Cessna 207A · Reciprocating Engine Cylinder SectionSDR CA110112014Control Cable · disconnectedTHROTTLE CONTROL WAS PURCHASED NEW FOR ENG CHANGE AND INSTALLED AND RIGGED IN ACFT. AFTER TEST RUNS ON ENGINE, CONTROL STARTED TO STICK IN HALF THROTTLE POSITION. AFTER DISCONNECTING CONTROL FROM ENGINE, IT WAS FOUND THAT THE CONTROL CABLE WAS DEFECTIVE INTEJan 7, 2011 · Cessna A185F · Power LeverSDR BSYA2011002Unknown · smokeWHILE TAXING INTO RAMP, PILOT NOTICED SMOKE COMING FROM BEHIND INSTRUMENT PANEL. HAD MX CHECK ALL WIRING BEHIND INSTRUMENT PANEL, RAN ENGINES TURNED ON ALL AVIONICS COULD NOT DUPLICATE PROBLEM.Jan 5, 2011 · N36901 · Beech 58 · Instrument PanelSDR XGN2011F00000Spring · brokenLANDING GEAR WOULD NOT RETRACT. FOUND SAFETY SWITCH SPRING BROKEN AND LEVER ACTUATOR TEETH WORN OUT.Dec 30, 2010 · N31DB · Cessna 401 · Landing Gear Position and WarningSDR 2010FA0001268Rib · cracked(CFOR) WHILE COMPLYING WITH MFG SAFETY COMMUNIQUE NR313 TITLED "FLAP ACTUATOR ATTACHMENT BRACKET AND NOSE RIB ASSEMBLY", DISCOVERED A CRACK ON RIB (PN35-165050-84) ORIGINATING FROM THE LIGHTENING HOLE. AFTER REMOVING THE RT FLAP FROM THE WING AND REMOVING THEDec 23, 2010 · N457DF · Beech 58 · Trailing Edge FlapsSDR 2010FA0001182Support · detached2 OF THE 3 BOLTS ATTACHING THE UPPER HALF OF THE LT MLG SIDE BRACE SUPPORT BRACKET WERE FOUND MISSING. THE STRESS IMPOSED ON THE REMAINING BOLT CAUSED IT TO BE PULLED THROUGH THE ATTACHING STRUCTURE. THE FAILURE OF THIS ATTACHMENT CAUSED THE GEAR TO NOT ACQUNov 5, 2010 · N37WC · Cessna 401 · Main Landing Gear Attach SectionSDR FPI2010F00002Shuttle Valve · brokenDURING ANNUAL INSP OF ACFT, INSP OF SHUTTLE VALVE OF STANDBY VACUUM SYS FOUND THE VACUUM PUMP SIDE, VALVE SPRING BROKEN. REPLACED WITH NEW PART.Nov 1, 2010 · N5489V · Cessna 210L · Vacuum Distribution SystemSDR 2010FA0001153Wheel Half · separatedNOSE WHEEL EXPERIENCE A CIRCUMFRENCIAL CRACK AT THE BEAD FLANGE ALLOWING THE FLANGE TO SEPARATE FROM HUB ON LANDING AND THEREBY ALLOWING TIRE TO DEPART THE WHEEL.Oct 17, 2010 · N72BG · Beech E55 · Wheel/Ski/FloatSDR Z4TA20100002Strobe · shortedDURING INSPECTION, DISCOVERED TAIL CONE STROBE WIRING HARNESS ASSY SHORTING INSIDE CONNECTOR PLUG CAUSING ALL STROBES TO BE INOPERATIVE. DEACTIVATED TAIL CONE STROBE LIGHT ASSY AND ORDERED REPLACEMENT LIGHT ASSY AND DEFERRED IAW MEL.Sep 6, 2010 · N95KM · Beech 58 · Exterior LightingSDR 2010FA0000961Gasket · looseGASKET CAME OFF THE AIR FILTER. THE ADHESIVE HAD FAILED LETTING THE GASKET GET LOOSE AND IT CAN BE SUCKED INTO THE ENGINE, SHUTTING IT DOWN. CALLED MFG AND TALKED TO REP ABOUT THIS.Aug 20, 2010 · N35UP · Beech V35 · Engine Air Intake SystemSDR 2010FA0001135Cylinder · cracked(WS9R) CYLINDER CRACKED FROM INJECTOR PORT TO SPARK PLUG BOSS.Aug 18, 2010 · N1203W · Cessna 310R · Reciprocating Engine Cylinder SectionSDR 2010FA0000767Fitting · leakingPILOT DEPARTED AROUND 9:30AM. EVERYTHING ON PREFLIGHT AND RUN-UP WAS IN THE GREEN INCLUDING OIL PRESSURE. AFTER TURNING ON COURSE ABOUT 20 OR SO MILES FROM AT 6,000FT, HE NOTICED THE OIL PRESSURE STARTING TO FADE OFF. AFTER SOME INITIAL TROUBLESHOOTING HE MJul 27, 2010 · N54MM · Cessna 210N · Reciprocating Engine Oil SystemSDR 2010FA0000520Starter · brokenSTARTER HAS A PARTIAL SEPARATION BETWEEN THE HOUSING THAT ATTACHES TO THE STARTER ADAPTER AND THE MAIN STARTER HSG. EXTERIOR BOLTS THAT SECURE THE HSGS TOGETHER ARE INTACT AND TIGHT. PILOT REPORTED STARTING DIFFICULTY. PROBLEM WAS VISIBLY OBVIOUS. STARTER WASJun 1, 2010 · N93055 · Cessna A185F · Engine StarterSDR 2010FA0000515Rotor Shaft · shearedALTERNATOR FAILED IN FLIGHT. THIS IS THE 3RD FAILURE IN LESS THAN 100 HRS (18HRS, 17HRS, & 36HRS) THE PREVIOUS (2) WERE REPLACED UNDER WARRANTY. ALL (3) HAVE HAD IDENTICAL ROTOR SHAFT TORSIONAL FAILURE JUST INTERNAL TO THE ALTERNATOR BETWEEN THE FAN AND THE INMay 28, 2010 · N7AS · Beech 35C33A · DC Generator-AlternatorSDR 2010FA0000595Bolt · wornDURING A 100 HR INSP, FOUND NOSE GEAR HAD FORE AND AFT MOVEMENT WHERE THERE SHOULD BE NONE. REMOVED AFT DRAG LINK BOLT TO INVESTIGATE AND FOUND IT TO BE WORN AND DEFORMED AS IF GETTING READY TO SHEAR. THIS IS THE THIRD OR FOURTH FOUND. THE OTHER ACFT THAT May 19, 2010 · N910TA · Cessna U206G · Nose/Tail Landing GearSDR 2010FA0000581Rib · cracked((OF1R)) DURING AN INSP, PRIOR TO PURCHASE, THE LT FLAP NOSE RIB WAS FOUND CRACKED THROUGH THE L/E RELIEF CUTOUT, IN THE UPPER FLANGE BEND RADIUS, AND THROUGH THE ACTUATOR ATTACH BRACKET NUTPLATE RIVET HOLES. THIS IS A VERY DIFFICULT AREA TO ACCESS AND INSPECMay 17, 2010 · N450JR · Beech 58 · Leading Edge DevicesSDR BEM2010F00000Hinge · crackedDURING INTERM INSP, MECHANIC NOTICED CRACK IN HINGE NEAR LT LANDING GEAR FWD ATTACH POINT. CRACK WAS FOUND INSIDE NR 1 LANDING GEAR WELL. UPON FURTHER INSP, THE BOX SECTION HINGE WAS FOUND TO BE CRACKED ALL THE WAY THROUGH THE HINGE. CRACK LOCATED AT WS 65.May 12, 2010 · N4016A · Beech 58 · Fuselage, Door HingeSDR 2010FA0000441Circuit Breaker · inoperative(VJ3R) NO POWER THROUGH THE SWITCH.May 3, 2010 · N8242T · Beech F33A · Light System WiringSDR 2010FA0000442Circuit Breaker · inoperative(VJ3R) NO POWER THROUGH THE C/B SWITCH.May 3, 2010 · N8240T · Beech F33A · Light System WiringSDR 2010FA0000474Fitting · damagedSENT TANK (AMO110-90) FOR REPLACEMENT OF OUTLET FITTING COLLAR DUE TO DAMAGED THREADS. ON RETURN, FOUND THREADS IN NEW FITTING TO BE SEVERELY DAMAGED OR DEFECTIVE. RETURNED TANK FOR REDO. EITHER NO INSP OF PART BEFORE WELDING NOR INSPECTION OF COMPLETED WORApr 29, 2010 · N52119 · Cessna 172P · Fuel StorageSDR 2010FA0000339Circuit Breaker · failed(VJ3S) NO POWER THROUGHT THE C/B SWITCH. INTERNAL FIALURE.Apr 14, 2010 · N8173C · Beech F33A · Exterior LightingSDR 2010FA0000473Wire · overheatedAUTOPILOT DISABLED IAW FAR 91.213. FOUND WIRES FROM CIRCUIT BREAKER TO AUTOPILOT OVERHEATED. IT IS BELIEVED THAT THE PILOTS CUT THE PLASTIC TIE WRAP ON THE CIRCUIT BREAKER AND USED THE AUTOPILOT ANYWAY. THE AUTOPILOT FUNCTIONS ON MANUAL HEADING ONLY. RECOMMMar 9, 2010 · N7304N · Cessna U206G · Auto Flight System WiringSDR 2010FA0000065Release Cable · brokenPILOT REPORTED DIFFICULTY RELEASING THE PILOT SEAT ADJUSTMENT. SEAT WAS LOCKED IN FWD POSITION. THIS ACFT HAD PREVIOUSLY BEEN MODIFIED IAW SEB 07-5R1 BY THE INSTALLATION OF THE SERVICE KIT SK210-174A, WHICH CONSISTS OF AN INERTIA REEL SYS INSTALLED TO PREVENJan 21, 2010 · N9623R · Cessna U206G · Flight Compartment EquipmentSDR CA100205004Stiffener · broken(CAN) DURING AN INSP AN AME FOUND LOWER RIVETS ON STIFFENER PULLED THROUGH BULKHEAD. STIFFENER REMOVED AND FOUND BULKHEAD CRACKED BETWEEN LOWER FLAP AND PULLEY BRACKETS. BULKHEAD REPAIRED IN AFFECTED AREA AND STIFFENER REINSTALLED WITH NEW RIVETS. (TC 20100Dec 23, 2009 · Cessna 180J · Fuselage Miscellaneous StructureSDR 2009FA0001051Coil · burnedCOIL FAILED AFTER ONLY 103.8 HRS. NEW MAG ASSY. A SECTION OF THE COIL WAS LITERALLY BURNED AWAY. WARRANTY WAS DENIED BECAUSE MAG WAS "OUT OF WARRANTY PERIOD". (K)Dec 18, 2009 · N45FM · Beech 58 · Magneto/DistributorSDR 2009FA0001034Plunger · failedPLUNGER WAS SERVICED IAW O/H MANUAL 73-40-01 LAPPED AND INSTALLED. SUBSEQUENT TO O/H FUEL PUMP FAILED IN-FLIGHT, PUMP SENT BACK FOR WARRANTY. PLUNGER FOUND WORN, REPLACED, PUMP FUNCTION OK. O/H MANUAL VAGUE ON HOW LONG OR WEAR CAN BE BEFORE IT SHOULD BE REPOct 8, 2009 · N4615X · Cessna U206G · Fuel Boost PumpSDR AG2R6381303Cylinder · crackedEXHAUST SEAT AND EXHAUST PORT WALL CRACK TOO SEVERE FOR REPAIR.Sep 24, 2009 · N8550 · Reciprocating Engine Oil SystemSDR 2009FA0000587Line · corrodedON TAXI OUT, PILOT SMELLED FUEL IN THE COCKPIT AND NON RATED FRONT SEAT PASSENGER SAW STREAM OF FUEL ON RT SIDE RUDDER PEDALS. PILOT RETURNED TO THE HANGAR TO HAVE PROBLEM INVESTIGATED. UPON FURTHER INVESTIGATION FOUND RT SIDE RIGID ALUMINUM FUEL LINE THAT DJun 27, 2009 · N318D · Beech 95C55 · Aircraft Fuel Distribution SystemSDR 2009FA0000502Idler Assy · failedFAILED NDT/ CRACKED TOOTH. (K)May 19, 2009 · Beech 95B55B · Propeller GovernorSDR 2009FA0000517Idler Gear · crackedGEAR PUMP IDLER FAILED NDT/ CRACKED TOOTH. (K)May 19, 2009 · Propeller GovernorSDR 2009FA0000521Cylinder Head · crackedSTUDENT PILOT AND INSTRUCTOR HAD TAKEN OFF FROM A SMALL UNTOWERED AIRSTRIP NEAR A LAKE WHEN THE ENGINE BEGAN TO VIBRATE STRONGLY. THEY ELECTED TO RETURN TO AIRSTRIP THEY HAD JUST DEPARTED FROM AND LANDED WITHOUT FURTHER INCIDENT NOTING THAT VIBRATION DECREASEMar 26, 2009 · N9489Z · Cessna U206G · Reciprocating Engine Cylinder SectionSDR BSYA2009014Unknown · unknownAIRCRAFT GOING INTO HFD, DIVERTED TO BDL BECAUSE OF RIGHT ENGINE HAD LOW OIL PRESSURE. MAINTENANCE ADJUSTED OIL PRESSURE TO THE MIDDLE OF GREEN ARC. OK FOR CONTINUED SERVICE.Feb 20, 2009 · N696BD · Beech 58 · Engine Oil PressureSDR AG2R862701Cylinder · separatedCYLINDER HEAD SEPERATION AND CANNOT BE SAFELY REPAIRED.Feb 18, 2009 · Reciprocating Engine Cylinder SectionSDR 2009FA0000104Cable · kinkedINSP ACFT PARKING BRAKE SYS, FOUND THE RT BRAKE CABLE TO HAVE A KINK IN THE CABLE AND THE BALL ON CABLE TO BE ON THE OUTSIDE OF THE CLEVES WHICH MADE THE CABLE SHORTER. REINSTALLED RT CABLE INTO CLEVES. WHEN FULL LT RUDDER WAS APPLIED THE PARKING BRAKE CABLEDec 5, 2008 · N185KS · Cessna A185F · Landing Gear Brake SystemSDR BSY2008F00000Plug · missingACFT WING BOOTS WON`T INFLATE TO FULL PRESSURE. FOUND INSP PLUG MISSING CAUSING PREMATURE PUMP FAILURE. (K)Oct 15, 2008 · N525GW · Beech 58 · Airfoil Anti/De-ice SystemSDR 2008FA0000769Control Cable · wornDURING ANNUAL INSP, THE RT AILERON RETURN CABLE WAS FOUND WORN BEYOND LIMITS BY THE WHITE PLASTIC PULLEY NEAR THE LEADING EDGE AT THE WING ROOT. (K)Oct 10, 2008 · N6523N · Cessna 210N · Aileron Control SystemSDR 2008FA0000632Drive System · brokenSPRING-DRIVE DISCOVERED BROKEN AT DISASSEMBLY. (K)Sep 11, 2008 · Propeller Governor
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