Lycoming IO-360-A1B6

Service difficulty reports · 192

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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 = 'IO360A1B6'
  ORDER BY difficulty_date DESC"

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SDR 2026FA0000422Intake Valve · brokenDURING ENROUTE CRUISE FLIGHT NR 4 CYLINDER INTAKE VALVE STEM FAILED ALLOWING VALVE TO ENTER CYLINDER, DAMAGE PISTON AND SPARK PLUGS AND SUBSEQUENTLY SENT PIECES OF VALVE INTO NR 1 CYLINDER SMASHING SPARK PLUGS, PISTON AND RENDERING A VERY ROUGH ENGINE RUNNING May 11, 2026 · N62BV · Beech C24R · Reciprocating Engine Cylinder SectionSDR 2026FA0000040Ignition Lead · openDURING ENGINE RUN UP PRE MAINTENANCE MECHANIC NOTICED AN EXCESSIVE MAG DROP ON RT ENGINE LT MAG. CHECKED PLUGS AND MAG TIMING NO ISSUES NOTED. INSPECTED IGNITION LEADS AND FOUND B4 LEAD OPEN. IGNITION LEAD PHYSICAL INSPECTION IS GOOD. FAILED INTERNALLY AT 243.Dec 2, 2025 · N170WL · Parten P68C · Ignition System WiringSDR 2021FA0000274Pump · leakingDURING PRE-FLIGHT INSPECTION PILOT NOTED OIL DRIPPING FROM FUEL PUMP DRAIN. UPON FURTHER INSPECTION BY AN A&P/IA IT WAS DETERMINED THAT THE ENGINE DRIVEN FUEL PUMP CASE DRAIN WAS THE SOURCE OF THE OIL LEAK. FUEL PUMP WAS REMOVED AND REPLACED. ENGINE WAS RUN ANOct 1, 2021 · N52634 · Cessna 177RG · Engine Fuel PumpSDR JRUR202003120007Magneto · unserviceableSLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. LEFT ENGINE RH POSITION S/N 17090482 MMar 12, 2020 · N490NR · Parten P68C · Magneto/DistributorSDR JRUR202003120008Magneto · unserviceableSLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. RIGHT ENGINE RH POSITION S/N 17090481 Mar 12, 2020 · N490NR · Parten P68C · Magneto/DistributorSDR 2018FA0000222Impulse Coupling · failedMODEL 4373 IMPULSE COUPLED LEFT MAGNETO, SN 160100111, SUFFERED CATASTROPHIC INTERNAL FAILURE WHEN PLASTIC PN 510406 ROTOR MELTED AND BURNED OFF ROTOR ARM. FURTHER DISASSEMBLY OF IMPULSE COUPLING SHOWED VERY LOOSE RIVETS AND DOGS SHIFTING OUTWARD AND UPWARD ONJul 14, 2018 · N52076 · Magneto/DistributorSDR 2017FA0000654Bolt · shearedFAILURE OF CONNECTING ROD BOLT DUE TO LOSS OF NUT ON OTHER BOLT. ENGINE HAD FIREWALL FORWARD STC SE2741NM PISTON, CONNECTING ROD AND HARDWARE INSTALLED. ENGINE PROPELLER WAS NOT CORRECT PER STC, NR 3 CYLINDER HAD ONE CONNECTING ROD BOLT SHEARED, THE OTHER ODec 18, 2017 · N2075Q · Cessna 177RG · Reciprocating Engine Power SectionSDR 2016FA0000078Gear · distressedREPORTED TO PILOT IN FLIGHT THAT MLG WAS NOT RETRACTED & WAS HANGING STRAIGHT DOWN MID-CYCLE. PILOT PERFORMED NORMAL EXTENSION & GEAR LOCKED DOWN & LANDED SAFELY. NOSE GEAR FUNCTIONED NORMALLY BOTH UP & DOWN. AIRCRAFT WAS JACKED & INSPECTED. FOUND TWO NAS464P5Feb 9, 2016 · N1888Q · Cessna 177RG · Landing Gear Retraction/Extension SystemSDR CA150413008Elt · malfunctioned(CAN) DOES NOT MEET FREQUENCY SPECIFICATION ON 243 MHZ 121.5, MHZ IS WITHIN SPECS.Apr 3, 2015 · Beech 200BEECH · Emergency Locator BeaconSDR 2014FA0000634Cylinder Head · crackedWHILE CLIMBING THROUGH APPROXIMATELY 4,000 FT, HEARD AND FELT A SUDDEN VIBRATION. LOOKED TO THE LT ENGINE AND SAW THAT IT WAS VIBRATING MORE THAN NORMAL, AND THEN OIL BEGAN COMING OUT OF THE COWL. PLACED THE LT THROTTLE LEVER IN THE IDLE POSITION, FOLLOWED BOct 15, 2014 · N684KW · Parten P68C · Reciprocating Engine Cylinder SectionSDR 2014FA0000608Battery Pack · failedPART CONSISTENTLY FAILS VOLTAGE CHECKS AT EACH ANNUAL INSPECTION AS REQUIRED BY FAR 91,207, D. SUSPECT INADEUATE QUALITY CONTROL AT VENDOR.Sep 15, 2014 · N1844Q · Cessna 177RG · Emergency Locator BeaconSDR 2014FA0000564Rod End · brokenINSPECTION OF THE ACFT FOUND THE MLG ACTUATOR ROD END HAD FAILED. THE ROD END BODY APPEARS TO FIRST BROKE AT THE GREASE SERVICING PORT. AIRCRAFT RECORDS RESEARCH FOUND NO RECORD OF REPLACEMENT SINCE DATE OF MFG. SL SE7937R1 DATED 12/15/1980 AND BULLETIN CEAug 13, 2014 · N35879 · Cessna 177RG · Landing Gear ActuatorSDR 9FHA2014FA0000336Tube · splitLEFT MAIN TIRE WENT FLAT UPON TAXIING IN FROM LANDING. TIRE AND INNER TUBE REPLACED WITH NEW. TIRE WAS A 7.00 X 6, 8PR. INNER TUBE TR20, S02602. TIRE AND TUBE TIME IN SERVICE: 219.5, LANDINGS APPROX.:400. INNER TUBE FAILURE WAS A SLIT ON SIDEWALL DEVELOPINMay 26, 2014 · N3927U · Parten P68C · Tire TubeSDR CA130322007Camshaft · cracked(CAN) ENGINE HAD A PROPELLER STRIKE. PERFORMED A PROPELLER STRIKE INSPECTION AND FOUND WHAT APPEARS TO BE AN INCLUSION OR POSSIBLY A CRACK ON 1 OF THE CAMSHAFT LOBES.Mar 11, 2013 · Cessna 177RG · Reciprocating Engine Power SectionSDR ECEA2013F00043Engine · overspeedAFTER TAKEOFF, ACFT RT ENGINE ACCELERATED TO APPROX 4500 RPM PILOT TRIED TO REDUCE THE POWER AND WAS ONLY ABLE TO GET IT DOWN TO 2900 RPM. FEATHERED THE ENGINE AND MADE A NORMAL LANDING AT THE DEPARTURE AIRPORT.Feb 8, 2013 · N80383 · Parten P68C · Engine (Reciprocating)SDR 2013FA0000077Downlock · shearedDURING LEAK AND POST MX OPS RUNS. NOSE GEAR LOCK FAILED AT ROLL PIN ATTACH POINT. ORIGINAL INSTALLED ROLL PIN SHEARED OFF. CAUSING NOSE GEAR TO FOLDED OVER AND CAUSED PROPELLER STRIKE AT HIGH POWER.Feb 4, 2013 · N9227S · Beech B24R · Nose/Tail Landing GearSDR 2012FA0000832Rib · saturatedWING RIB TRAPS WATER IN WET WING FUEL BAY.Dec 23, 2012 · N1897Q · Cessna 177RG · Wing, Rib/BulkheadSDR 2012FA0000543Hub · crackedLEFT BRAKE REPORTED AS SOFT, REQUIRING REPEATED APPLICATIONS TO ENGAGE. CLOSE INSPECTION OF BRAKE AND WHEEL ASSY REVEALED A LARGE CRACK ON THE INSIDE OF THE WHEEL HUB. WHEEL DISASSEMBLED AND CRACKS WERE DISCOVERED IN THE AREA OF 4 OF THE 6 MOUNTING BOLTS. Jul 31, 2012 · N33274 · Cessna 177RG · Wheel/Ski/FloatSDR 2012FA0000485Control Cable · frayedWHILE COMPLYING WITH MANDATORY SB 75, R3, "FLIGHT CONTROL CABLES", ONE OF THE 2 FWD STABILATOR CABLES WAS FOUND FRAYED. THE FRAYED CABLE WAS FOUND ONLY BY SLACKENING THE CABLE AND BENDING IT AT A SHARP RADIUS AS CALLED FOR IN SB 75. THIS ACFT HAS BEEN MODIFIJul 16, 2012 · N856H · Parten P68C · Elevator Control SystemSDR 2012FA0000454Bolt · backed outNOSE GEAR COLLAPSED DURING LANDING ROLL OUT. FOUND AFTER INSPECTION, THE NOSE GEAR ACTUATOR LOWER BOLT BACKED OUT AND INTERFERRING WITH THE AFT DRAG LINK. THE THREADED PART OF THE BOLT WITH THE NUT WAS MISSING, THE BOLT HEAD WAS LOCK WIRED BUT COULD BACK OUJul 5, 2012 · N42821 · Cessna 177RG · Nose/Tail Landing GearSDR 2012FA0000455Bolt · backed outDURING MX INSPECTION, FOUND THE NOSE GEAR ACTUATOR LOWER BOLT BACKED OUT AND INTERFERRING WITH THE AFT DRAG LINK. THE THREADED PART OF THE BOLT WITH THE NUT WAS MISSING, THE BOLT HEAD WAS LOCK WIRED BUT COULD BACK OUT THE NOSE GEAR LOCK ASSY ENOUGH TO INTERFJul 5, 2012 · N8211G · Cessna 177RG · Nose/Tail Landing GearSDR 2012FA0000174Rib · corrodedDURING ANNUAL INSPECTION, HEADLINER WAS REMOVED FOR REPLACEMENT. FOUND CORROSION THAT WAS HIDDEN BY INSULATION MATERIAL. CORROSION WAS ON BOTH LT AND RT FUSELAGE ROOT RIB AND CORROSION ON RT DOOR OUTER JAMB (PN 1711030-4). CORROSION CONCENTRATED IN AREA WHEApr 3, 2012 · N2773V · Cessna 177RG · Fuselage Main, StructureSDR 2012FA0000189Fuel Tank · leakingTHIS ACFT HAS BEEN REPEATEDLY REPAIRED TO CORRECT FUEL LEAKS. EVERY DRAIN HOLE HAS BEEN COVERED UP ALLOWING WATER AND FUEL TO BE TRAPPED IN THE OTBD BAYS. ALSO THE DRAIN VALVE RECEPTACLE DRAIN HOLES WERE COVERED WITH SEALANT CAUSING WATER TO COLLECT UP TO .5Feb 15, 2012 · N201SN · Mooney M20J · Fuel StorageSDR 2011FA0000501Blade · loosePROPELLER BLADE ON PROPELLER ASSY PN HC-C2YR-2CUF/FC7666A-4 WAS DISCOVERED LOOSE ON PRE-FLIGHT INSPECTION. THIS PROPELLER HAD 240.2 HRS TSO, IT WAS OVERHAULED ON 28 MARCH 2011. THIS IS 2ND OF 2 PROPELLERS THAT HAVE DEVELOPED LOOSE PROPELLER BLADES AFTER BEINJul 21, 2011 · N6602L · Parten P68 · Propeller Blade SectionSDR 2011FA0000502Blade · loosePROPELLER BLADE ON PROPELLER ASSY WAS DISCOVERED LOOSE ON PREFLIGHT INSPECTION. THIS PROPELLER HAD 47.6 HRS TSO, IT WAS OVERHAULED ON 12 MAY 2011. 1ST OF 2 PROPELLERS THAT HAVE DEVELOPED LOOSE PROPELLER BLADES AFTER BEING OVERHAULED.Jun 15, 2011 · N6602L · Parten P68 · Propeller Blade SectionSDR 2010FA0001238Piston Ring · brokenOPERATOR COMPLAINED OF ENGINE SURGING 25 RPM OF 2400 RPM. STATED THAT THE NR 4 CYL WAS 70 DEGREES COLDER THAN THE OTHER CYLINDERS. LANDED AND CHECKED OIL. FOUND OIL ON TOP OF THE ENGINE, SUSPECTED TO COME FROM THE SPLIT CASE. FOUND NO DAMAGE TO EXTERIOR OFDec 7, 2010 · N5246M · Beech C24R · Reciprocating Engine Power SectionSDR 2010FA0001226Drag Link · looseBOLT PN NAS464-5A15 AND BUSHING PN NAS75-5-102 BACKED OUT OF NOSE GEAR DRAG LINK PN 20430071 AND HEAD OF BOLT WENT THROUGH ENGINE MOUNT TUBE AS GEAR WAS LOWERED. BOLT ATTACHES NOSE GEAR HYD ACTUATOR TO THE DRAG LINK. THIS TOOK SEVERAL GEAR CYCLE TRIES BUT EVNov 16, 2010 · N34969 · Cessna 177RG · Nose/Tail Landing GearSDR DXYA2010F00215Attach Bracket · crackedDURING SCHEDULED MX INSP, FOUND SABILATOR COUNTER WEIGHT BRACKET ATTACH ANGLES, (LT FWD 1732063-1) (RT REAR NR 1732064-1) CRACKED IN RADIUS OF ANGLE. CRACK EXTENDS APPROX 1.5" (TOTAL PART LENGTH 4".) TOTAL FAILURE OF PART WOULD RESULT IN LOSS OF STABILAOR COUNOct 5, 2010 · N34072 · Cessna 177RG · Elevator StructureSDR 2010FA0001138Line · separatedLANDING GEAR WOULD NOT EXTEND DUE TO FAILURE OF NOSE GEAR DOWN PRESSURE HYD HOSE ASSY. GEAR HYD HOSE ASSY (ALL) SHOULD BE CHANGED EVERY 10 YRS OR 1000 HRS TIS BETWEEN CHANGES.Sep 4, 2010 · N2708V · Cessna 177RG · Hydraulic System, MainSDR 2008FA0000591Piston Ring · mismanufacturedENGINE WAS OVERHAULED USING MFG PISTON RINGS ST203P010. AFTER 25.4 HRS, RINGS STILL NOT SEATED AND EXCESSIVE BLOW-BY WAS FOULING PLUGS. REPLACED WITH ANOTHER SET OF ST203P010 AFTER HAVING CYLINDERS REWORKED. AFTER 4.2 HRS, ENGINE WAS OPERATING SO POORLY, DUE TAug 5, 2008 · N2170Q · Cessna 177RG · Reciprocating Engine Power SectionSDR 2008FA0000320Bearing · failedWHERE THE ROD END BEARING ATTACHES TO THE LATERAL BOLT, FWD. THIS BEARING (S34691 FAILED AT THE BEARING END. THIS BEARING IS UNDER EXTREEM TENSION LOAD AND WAS ORIGINAL. AGE WAS A FACTOR IN FAILING. REPLACING THIS BEARING AT 1000 HR INTERVALS IS NECESSARY.Apr 25, 2008 · N52156 · Cessna 177RG · Standard Practices/StructuresSDR DXYA200800001Plug · looseDURING COMPLIANCE WITH EMERGENCY AD2008-06-51 FOUND FUEL INJECTION SERVO PLUG PN 383493 LOOSE AS DISCRIBED IN AD. UNIT LEAKING FUEL. UNIT OVH WITHIN DATES NOTED BY REPAIR STATION.Apr 1, 2008 · N34072 · Cessna 177RG · Fuel Control/Reciprocating EnginesSDR DXYA200800003Bolt · brokenPILOTS HAD REPORTED SLIGHT ROUGHNESS AT IDLE. DURING INSPECTION FOUND RT OB MUFFLER SUPPORT BRACKET UPPER ATTACH BOLT NR 2050012-1 BROKEN. THIS BOLT SUPPORTS BRACKET AS WELL AS NR 3 CYLINDER INTAKE TUBE. INTAKE TUBE LOOSE ALLOWING INDUCTION AIR LEAK AS WELLApr 1, 2008 · N34072 · Cessna 177RG · Engine Noise SuppressorSDR 2008FA0000289Bulkhead · crackedDURING ROUTINE INSP, FOUND PART CRACKED. CHECKED (2) OTHER CARDINALS THAT HAPPENED TO BE IN OUR SHOP AND FOUND (1) OF THEM TO HAVE A SIMILAR CRACK. THIS SECTION OF THE BULKHEAD IS THE ATTACH STRUCTURE FOR THE LOWER ATTACH ANGLE FOR THE IB FLAP DRIVE BELLCRANApr 1, 2008 · N52543 · Cessna 177RG · Wing, Rib/BulkheadSDR SO19200712477Wire · brokenDURING THIRD NIGHT CURRENCY LANDING PILOT FAILED TO EXTEND GEAR AND DIDN'T HEAR THE GEAR UP WARNING HORN. SHOWING A BROKEN WIRE AT THE GEAR WARNING HORN SWITCH.Jan 26, 2007 · N177RR · Cessna 177RG · Landing Gear System WiringSDR 2006FA0000761Circuit Breaker · malfunctionedLANDING GEAR CIRCUIT BREAKER MALFUNCTIONED. AIRCRAFT WAS JACKED AND GEAR CYCLED SEVERAL TIMES. COULD NOT GET THE CIRCUIT BREAKER TO MALFUNCTION ON JACKS. RECOMMEND THAT CIRCUIT BREAKER BE REPLACED WITH NEW. (K)Aug 2, 2006 · N21EB · Cessna 177RG · Landing Gear System WiringSDR 2006FA0000646Support · brokenMLG ACTUATOR SUPPORT WEB BROKEN AND CRACKED. (K)Jun 28, 2006 · N177R · Cessna 177RG · Fuselage, Landing Gear Attach FittingsSDR 2006FA0000647Pin · brokenACTUATOR RETAINING PIN, FRACTURED. (K)Jun 28, 2006 · N177R · Cessna 177RG · Landing Gear ActuatorSDR AU510001787Rib · corroded(AUS) LT FLAP IB HINGE BRACKET ATTACHMENT RIB SEVERELY CORRODED. FOUND DURING INSPECTION IAW AD/23/43.(AD/SB DESC: AD/ 23/43 ) (CASA NR 510001787)Dec 12, 2005 · Beech C24R · Trailing Edge FlapsSDR AU510002124Door · separatedRT SIDE EMERGENCY EXIT POPPED OUT ON TAKEOFF. INVESTIGATION COULD FIND NO FAULTS. SUSPECT CAUSED BY PREVIOUS PASSENGER INTERFERENCE WITH LOCKING LEVER.Nov 11, 2005 · Parten P68B · Emergency ExitsSDR 2005FA0001513Bulkhead · crackedBULKHEAD CRACKED AROUND BOTH VERTICAL FIN FORWARD ATTACH BOLTS.Nov 8, 2005 · N8050G · Cessna 177RG · Fuselage Main, BulkheadSDR 2005FA0001623Bracket · crackedWHILE ATTEMPTING TO RIGG THE NOSE GEAR AFTER DOING AN ENGINE AND MOUNT OVERHAUL, IT WAS IMPOSSIBLE TO MAINTAIN THE PROPER CLEARANCES AND THE LOCK WOULD NOT SNAP OVER CENTER ON THE DOWN CYCLE. WHILE WATCHING THE ACTUATOR IT SEEMED THE MOVE. UPON FURTHER INSPENov 7, 2005 · N7557V · Cessna 177RG · Fuselage, Landing Gear Attach FittingsSDR 2005FA0001300Valve Guide · stuckDURING LANDING, RT POSITION ENGINE EXPERIENCED ROUGHNESS. FOUND CYLINDER NR 2 EXHAUST VALVE STUCK. VALVE GUIDE INSPECTIONS ARE DUE AT 1000 HOURS. ENGINE ONLY HAD 842.6 HRS. (K)Sep 9, 2005 · N300LF · Parten P68C · Reciprocating Engine Cylinder SectionSDR 2005FA0001301Lifter · brokenUPON COMPLYING WITH SB, VALVE GUIDE INSPECTION, FOUND LIFTER BODY PN 72877 BROKEN. VALVE GUIDE REVEALED NO SIGNS OF STICKING. (K)Sep 9, 2005 · N300LF · Parten P68C · Reciprocating Engine Power SectionSDR 2005F00091Hose · failedHYDRAULIC HOSE TO NOSE LANDING GEAR CYLINDER FAILED IN FLIGHT. THIS CAUSED TOTAL DEPLETION OF HYDRAULIC FLUID AND SUBSEQUENT HYDRAULIC PUMP FAILURE. PILOT WAS UNABLE TO EXTEND LANDING GEAR MANUALLY BECAUSE OF NOT ENOUGH FLUID. A GEAR UP LANDING WAS MADE WITH Jul 26, 2005 · N545PZ · Cessna 177RG · Hydraulic System, MainSDR 2005FA0000822Hose · leakingPILOT SELECTED GEAR DOWN ON FINAL APPROACH AND THE GEAR FAILED TO EXTEND. THE INVESTIGATION FOUND THAT THE NOSE GEAR DOWN LINE WAS LEAKING AT THE BULKHEAD END CAUSING TOTAL LOSS OF HYDRAULIC FLUID. THE AIRCRAFT LANDED GEAR UP WITH NO INJURIES AND MINOR DAMAGJun 5, 2005 · N7972V · Cessna 177RG · Hydraulic System, MainSDR AU510001994Fitting · corrodedTORQUE TUBE ATTACHMENT FITTING CORRODED. LIMITED INFORMATION PROVIDED.Jun 1, 2005 · Parten P68B · AileronsSDR CA050518009Transducer · leaking(CAN) A NEW FP5-L FUEL FLOW WAS INSTALLED AND LEAK TESTED ON FIRST FLIGHT. APPROX 20 MINUTES AND AIRCRAFT WAS LANDED AND PILOT REALIZED HE HAD AN ENGINE FIRE. AIRCRAFT IS TURBO CHARGED. FUEL FLOW TRANSDUCER LOCATION APPROX. 10 INCHES FROM COMPRESSOR SIDE OF TMay 11, 2005 · Conaer LA4200 · Engine Fuel DistributionSDR 2005FA0000626Capacitor · failedTHE MAGNETO WAS OVERHAULED 70 HOURS AGO, THE CAPACITORS WERE SUPPLIED BY OVERHAULER. THE OVERHAUL WAS DONE AND CAPACITORS ARE FAA PMA`D.Apr 25, 2005 · N7694V · Cessna 177RG · Engine Fuel PumpSDR 1050326Blade · crackedBLADE 1, S/NR H20755R WAS FOUND WITH A 1 INCH CRACK, STARTING FROM LEADING EDGE, ABOUT 4 INCHES FROM BLADE TIP. THE BLADE WAS ALREADY REWORKED AT THIS AREA BECAUSE OF A EARLIER STONE NICK. PROPELLER WAS OVERHAULED IN MARCH 2003 AND HAS 387 TSO UNTIL CRACK WAS Mar 30, 2005 · Socata TB20TRINIDAD · Propeller Blade Section
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