Lycoming IO-540-K1B5

Service difficulty reports · 100

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 = 'IO540K1B5'
  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 HYIA20260508001Exhaust Pipe · brokenDURING PREFLIGHT THE PILOT NOTED THAT AN EXHAUST PIPE ON THE RIGHT ENGINE WAS CRACKED, WHICH CAUSED DAMAGE TO THE ENGINE COWLING. MAINTENANCE REPLACED THE RIGHT ENGINE CROSSOVER EXHAUST PIPE AND REPAIRED THE ENGINE COWLING WITH NO FURTHER DEFECTS NOTED.May 3, 2026 · N540BN · Bnorm BN2B20 · Engine Collector/Tailpipe/NozzleSDR 2023F00282Wire · brokenRIGHT HAND MAGNETO OFF LIGHT ILLUMINATED ON RIGHT HAND MVP-50P ENGINE INSTRUMENT DISPLAY. PILOT RETURNED TO AIRPORT, LANDED NORMALLY. MAINTENANCE DISCOVERED BROKEN WIRE AT RPM SENSOR AT RIGHT HAND ENGINE RIGHT HAND MAGNETO. (MAGNETO STILL OPERATED NORMALLY)Sep 16, 2023 · N801SA · Bnorm BN2B21 · Ignition System WiringSDR HYIA20211105001None · noneTHE PILOT REPORTED DURING CRUISE THE RIGHT ENGINE RPM AND OIL PRESSURE NOTICEABLE GOING DOWN, WITH THE ENGINE GOING INTO A FEATHER. THE PILOT ELECTED TO SHUT DOWN THE ENGINE, RESULTING IN A SINGLE-ENGINE LANDING. MAINTENANCE INSPECTED AND FOUND THE CRANKSHAFNov 3, 2021 · N510BN · Bnorm BN2B20 · Engine (Turbine/Turboprop)SDR HYIA20191206001Ball Joint · wornAFTER TAKE OFF WHILE REDUCING POWER TO CRUISE SPEED PILOT REPORTED LEFT ENGINE STOPPED REDUCING AT 2800-2900 RPM THE PILOT ELECTED TO RETURN TO THE FIELD. AFTER LANDING THE PILOT REPORTED THE LEFT PROPELLER GOVERNOR LINKAGE CAME OFF. MAINTENANCE INSPECTED AND Dec 5, 2019 · N520BN · Bnorm BN2B20 · Propeller Controlling SystemSDR HYIA20190717003Engine · shutdownPILOT REPORTED ENGINE SHUT DOWN AND FEATHERED ON ITS OWN ON TAKE-OFF. MAINTENANCE INSPECTED THE LT AND RT ENGINE FUEL SYSTEM, INTAKE SYSTEM, IGNITION SYSTEM AND PROPELLER. PERFORMED LT AND RT ENGINE FULL POWER RUN UP SEVERAL TIMES WITH ALL PARAMETERS GOOD. NO Jul 13, 2019 · N510BN · Bnorm BN2B20 · Engine (Reciprocating)SDR 2019F00168Impulse Coupling · brokenHARD START CONDITION ISOLATED TO BROKEN MAGNETO IMPULSE COUPLING. FLYWEIGHT BIAS SPRING FOUND TO HAVE BROKEN LOOSE FROM PAWL RIVET.Mar 20, 2019 · N848MA · Bnorm BN2B20 · Magneto/DistributorSDR 2016FA0000515Washer · fragmentedONE COUNTERWEIGHT WASHER FOUND TO BE FRACTURED INTO THREE PIECES, BUT MAJORITY OF THE WASHER AND MAJORITY OF THE SNAP-RING WAS IN PLACE AND HAD NOT ALLOWED THE COUNTERWEIGHT PIN TO ESCAPE. MISSING FRAGMENTS WERE NOT RECOVERED FROM THE INTERNAL ENGINE SURFACES.Oct 18, 2016 · N510B · Bnorm BN2 · Reciprocating Engine Power SectionSDR HYIA20160711001Cylinder · failedDURING INSPECTION OF RIGHT ENGINE AFTER FAILED ENGINE CHANGE FUNCTIONAL CHECK FLIGHT; MAINTENANCE NOTED LARGE AMOUNTS OF METAL IN OIL SAMPLES. FURTHER INVESTIGATION REVEALED DAMAGED SPARK PLUGS, PISTON, AND CYLINDER WALL AT THE NR 2 CYLINDER. DURING REMOVAL OFJul 5, 2016 · N530BN · Bnorm BN2B20 · Engine (Reciprocating)SDR HYIA20160414001Crankshaft · damagedPILOT REPORTED PARTIAL LOSS OF POWER IN FLIGHT ON RT ENG, ENGINE RUNNING ROUGH. AFTER BOTH ENGS FULL POWER FOR ABOUT 30 SECONDS, POWER CAME BACK. ENGS WERE BROUGHT BACK TO CRUISE & THE RT ENG BEGAN RUNNING ROUGH. PERFORMED A PRELIMINARY INSPECTION & FOUND MApr 7, 2016 · N510BN · Bnorm BN2B20 · Reciprocating Engine Power SectionSDR CA140624006Servo · malfunctioned(CAN) SHORTLY AFTER DEPARTURE, AFTER ESTABLISHING THE ACFT IN LEVEL CRUISE, THE PILOT NOTED FLUCTUATIONS IN THE RT ENGINE FUEL PRESSURE GAUGE. THE ENGINE CONTINUED TO OPERATE NORMALLY, BUT THE PILOT ELECTED TO RETURN TO DEPARTURE FOR INVESTIGATION. AN ENGINE RJun 20, 2014 · Bnorm BN2A21 · Fuel Control/Reciprocating EnginesSDR HYIA20140415107Pump · weakDURING CLIMB THE PILOT REPORTED THE RT FUEL PRESS WOULD NOT REMAIN IN THE GREEN ARC. THE ENG DRIVEN FUEL PUMP WAS REPLACED & OPERATIONAL & LEAK CHECK WERE ACCOMPLISHED NO DEFECTS NOTED. THE ACFT WAS RELEASED FOR A FLIGHT CHECK & NO DISCREPANCY WAS REPORTED.Apr 12, 2014 · N530BN · Bnorm BN2B20 · Engine Fuel PumpSDR CA130611011Ground Wire · loose(CAN) AN INSPECTION REVEALED A LOOSE GROUND WIRE ON THE PORT SIDE ACTUATOR FOR THE WING TIP TANK FUEL COCK. GROUND WIRE WAS TIGHTENED AT THE ADJACENT TERMINAL STRIP. GROUND FUNCTION TESTED OK. ACFT RETURNED TO SERVICE.Jun 10, 2013 · Bnorm BN2A21 · Fuel System WiringSDR CA120728001Distributor Blk · loose(CAN) MAG WAS REMOVED DUE TO BEING UNSERVICEABLE WITH UNKNOWN HOURS. WHEN INSPECTED THE OIL LIGHT BEARING IN THE DISTRIBUTOR BLOCK WAS LOOSE IN THE PLASTIC MATERIAL. THIS CAUSED THE DISTRIBUTOR GEAR ELECTRODE TO WEAR AGAINST THE DISTRIBUTOR BLOCK ELECTRODES Jul 24, 2012 · Bnorm BN2A21 · Magneto/DistributorSDR CA110419004Alternator · failed(CAN) ALTERNATOR REPORTED UNSERVICEABLE. ALTERNATOR FOUND UNABLE TO ROTATE FREELY. UNIT SENT FOR REPAIRS AND TEAR-DOWN REPORT. REPLACED WITH SERVICEABLE UNIT.Apr 15, 2012 · Bnorm BN2B21 · AC Generator-AlternatorSDR CA090429004Connecting Rod · fractured(CAN) CATASTROPHIC ENGINE FAILURE IN CRUISE FLIGHT. PROP FEATHERED. ACFT RETURNED TO BASE ON ONE ENG. ENG CASE FOUND SHATTERED AT ACCY SECTION. CRANKSHAFT FOUND FRACTURED AT NR6 CONNECTING ROD BEARING. CAM SHAFT, ALL ROTATING COMPONENTS, AND ENGINE MOUNT DAMAGMar 18, 2009 · Bnorm BN2A21 · Reciprocating Engine Power SectionSDR CA090225004Governor · malfunctionedON GROUND RUN, RT PROP WOULD NOT FEATHER. OTHER PITCH CHANGE FUNCTIONS WORKED NORMALLY. INITIALLY THE PROP WAS REPLACED WITH SIMILAR RESULTS THE GOVERNOR WAS THEN REPLACED WITH A SERVICEABLE UNIT FROM ANOTHER AIRCRAFT AND THE PROP PITCH/FEATHER FUNCTIONED NOFeb 24, 2009 · Bnorm BN2B21 · Propeller GovernorSDR 2007FA0000457Blade · crackedALUMINUM FATIGUE CRACK VISUALLY AND NDT DETECTED. PROPELLER ASSY RECEIVED FOR OVERHAUL AND BLADE NR 2 OF 3 REMOVED FROM PROPELLER ASSY (HC-C3YR-1RF/ F8468A-6R, UNDER WO NR 38598A. NOTE: MANDATORY OVERHAUL REQUIRED DUE TO GROUND STRIKE, HOWEVER, BLADE SUBMITTMay 16, 2007 · N424HD · Pzlwar PZL104W35A · Propeller Blade SectionSDR M2L2007F00000Drive Gear · brokenRT ENGINE STARTER DRIVE GEAR SHAFT WAS DAMAGED TO THE EXTENT, THAT THE BENDIX COULD NOT RETRACT FROM THE ENGAGED POSITION. THUS CAUSING THE GEAR TO REMAIN ENGAGED AFTER START. THIS IN TURN BROKE THE DRIVE GEAR TEETH. THE BROKEN TOOTH THEN LOCKED UP THE RINGApr 28, 2007 · N634MA · Bnorm BN2A20 · Engine StarterSDR M2L2007F00001Drive Gear · brokenBENDIX DRIVE GEAR OF RT ENGINE BROKE LOCKING RING GEAR OF CRANKSHAFT LOCKING ENGINE TO A STOP CONDITION. (K)Apr 28, 2007 · N634MA · Bnorm BN2A20 · Engine StarterSDR CA070410004Bellcrank · cracked(CAN) LOWER LT FLAP ACTUATOR BELLCRANK SUPPORT BRACKET CRACKED AT UPPER END. WHEN FLAP IS SUBJECTED TO A SIMULATED AIR LOAD, THE SUPPORT BRACKET FLEXES AND THE CRACK VISIBLY OPENS. THIS BRACKET HAS EVIDENCE OF PREVIOUS REPAIR (A DOUBLER IS PRESENT AT THE LOWEApr 6, 2007 · Pzlwar PZL104W35A · Trailing Edge FlapsSDR CA050407001Governor · seized(CAN) THE AIRCRAFT DEPARTED FOR DESTINATION WITH ONE PILOT ABOARD. SHORTLY AFTER TAKEOFF, THE RIGHT ENGINE S/N L12245-48 RPM BEGAN TO DETERIORATE. THE PILOT SHUT THE ENGINE DOWN AND RETURNED FOR A NORMAL LANDING AT THE DEPARTURE AIRFIELD. INSPECTION REVEALEApr 5, 2005 · Bnorm BN2A21 · Propeller GovernorSDR AUS20040480Control Rod · corroded(AUS) ELEVATOR CONTROL ROD CORRODED ON INTERNAL THREADS. FOUND DURING INSPECTION IAW SB 303 AND AD/BN2/082.Jun 2, 2004 · Bnorm BN2B20 · Elevator Control SystemSDR AUS20040292Controller · faulty(AUS) AUTOPILOT BURNED OUT. ROLL SERVO ALSO BURNED OUT.Feb 17, 2004 · Bnorm BN2B20 · Flight ControllerSDR AUS20031265Altimeter · out of adjust(AUS) ALTIMETER OUT OF CALIBRATION.Dec 5, 2003 · Bnorm BN2A21 · Altimeter, Barometric/EncoderSDR AUS20031246Servo · failed(AUS) AUTOPILOT ROLL SERVO FAULTY.Nov 28, 2003 · Bnorm BN2B20 · Autopilot SystemSDR AUS20031251Connector · corroded(AUS) COMPASS FLUX DETECTOR CONNECTOR CORRODED. SEE MDR 03/1246 FOR ASSOCIATED DEFECT.Nov 28, 2003 · Bnorm BN2B20 · Navigation System WiringSDR AUS20031183Alternator · failed(AUS) RT ALTERNATOR FAILED.Nov 19, 2003 · Bnorm BN2B20 · DC Generator-AlternatorSDR AUS20031148Pitot Tube · contaminated(AUS) PITOT/STATIC SYSTEM CONTAMINATED WITH WATER.Nov 11, 2003 · Bnorm BN2B20 · Pitot/Static SystemSDR AUS20030891Spacer · worn(AUS) ENGINE OIL FILTER CONTAMINATED WITH BRONZE PARTICLES. INVESTIGATION FOUND THE TACHOMETER DRIVESHAFT SPACER HAD COME LOOSE FROM THE CAMSHAFT AND WAS WEARING ON THE SHAFT ROLL PIN.Aug 13, 2003 · Amtr RV8 · Reciprocating Engine Rear SectionSDR AUS20030836Pump · mismarked(AUS) LT FUEL TRANSFER PUMP UNAPPROVED PART. PUMP HAD A LABEL ATTACHED STATING THE MANUFACTURER DOES NOT RECOMMEND USAGE IN AIRCRAFT APPLICATIONS. PUMP WAS SUPPLIED FROM VENDOR UNDER THE CORRECT PN 480500 BUT WAS ACTUALLY PN 476088. FURTHER INCORRECT PUMPS WEAug 12, 2003 · Bnorm BN2B20 · Fuel Boost PumpSDR AUS20030748Intake Valve · failed(AUS) NR 6 CYLINDER INTAKE VALVE BROKEN OFF AT UPPER PART OF VALVE STEM. BROKEN INTAKE VALVE CAUSED EXTENSIVE DAMAGE TO CYLINDER.Jul 14, 2003 · Bnorm BN2A20 · Reciprocating Engine Cylinder SectionSDR AUS20030635Ball Joint · broken(AUS) RT ENGINE MIXTURE CONTROL BALL JOINT FAILED.Jun 18, 2003 · Bnorm BN2B20 · Mixture ControlSDR CA030605004Connecting Rod · fractured(CAN) THE CAUSE OF THE ENGINE FAILURE WOULD BE DUE TO NR 4 CONNECTING ROD BOLTS FRACTURING AT THE CRANKSHAFT JOURNAL. WITH THIS HAPPENING IT BECOMES DISCONNECTED & COMPLETELY DESTROYES THE CRANKCASE IN THATAREA AND PUSHES THE NR 4 CYLINDER OFF OF IT'S BASES PUMar 4, 2003 · Bnorm BN2B21 · Reciprocating Engine Power SectionSDR AUS20021455Fuse · corroded(AUS) BUSBAR UNDERVOLTAGE FUSE F86 CORRODED AND BROKEN.Dec 23, 2002 · Bnorm BN2B20 · DC Power Distribution SystemSDR CA021210009Transmitter · worn(CAN) FIBRE FUEL LEVEL FLOAT WORE ON RIB INSIDE FUEL TANK SENDING SMALL PARTICLES THROUGH ENTIRE FUEL SYSTEM.Dec 10, 2002 · Bnorm BN2B21 · Fuel Quantity SensorSDR AUS20021153Sleeve · split(AUS) LH AILERON CONTROL ROD SLEEVE SPLIT THROUGH TAPER PIN HOLE.Oct 11, 2002 · Bnorm BN2B20 · Aileron Control SystemSDR AUS20021181Bracket · worn(AUS) ELEVATOR OUTBOARD HINGE BRACKET WORN AND RIVETS LOOSE. FOUNDDURING INSPECTION IAW AD/BN2/70 AND BN2/SB259.Oct 11, 2002 · Bnorm BN2A26 · Elevator Tab, Attach FittingsSDR AUS20021014Screw · missing(AUS) LH ENGINE COWL SCREW MISSING. SCREW IS LOCATED ON THE FORWARD INBOARD SIDE OF THE LH COWL.Sep 10, 2002 · Bnorm BN2B20 · Engine Cowling SystemSDR AUS20020955Distributor · unserviceable(AUS) MAGNETO DISTRIBUTOR BLOCK BEARING LOOSE. MAGNETO CONTAMINATED WITH METAL DUE TO CONTACT BETWEEN DISTRIBUTOR GEAR ANDELECTRODES. SUSPECT FAILURE DUE TO APPLICATION OF GREASE PNO10-27165 TO THE DISTRIBUTOR GEAR SHAFT AND BLOCK BEARING.Aug 28, 2002 · Bnorm BN2B20 · Magneto/DistributorSDR AUS20020754Magneto · faulty(AUS) NO2 ENGINE NO2 MAGNETO FAULTY. MAGNETO MODELS 10-349370-4 AND 10-349310-8.Jul 17, 2002 · Bnorm BN2B20 · Magneto/DistributorSDR AUS20020676Drive Shaft · wrong part(AUS) ENGINE FUEL PUMP DRIVE SHAFT INCORRECT ITEM. INVESTIGATION FOUNDTHAT THE DRIVE SHAFT WAS APPROXIMATELY 6.35MM (0.25IN) SHORTERTHAN NORMAL. THE INCORRECT DRIVE SHAFT HAD BEEN FITTED AT THE LAST OVERHAUL/REPAIR OF THE PUMP. PERSONNEL/MAINTENANCE ERROR. UJun 16, 2002 · Bnorm BN2B20 · Engine Fuel PumpSDR CA020610007Hinge · cracked(CAN) DURING POST FLIGHT WALKAROUND A CRACK WAS NOTICED IN THE ELEVATOR OUTBOARD-HINGE, INBOARD-BRACKET. THIS BRACKET IS THE SUBJECT OF A 100 HOUR REPETITIVE INSPECTION UNDER BN2/SB.259. THE PREVIOUS INSPECTION 90 HOURS EARLIER SHOWED NO PROBLEMS. THE CRACK EJun 8, 2002 · Bnorm BN2B21 · Elevator Miscellaneous StructureSDR AUS20020404Pump · wrong part(AUS) AFTER ENGINE CHANGE AND DURING GROUND RUNS THE ENGINE FAILED WHEN THE BOOST PUMP WAS TURNED OFF. SUBSEQUENT INVESTIGATION FOUND THAT THE INCORRECT FUEL PUMP PN RG17980 WAS FITTED AT OVERHAUL IN LIEU OF PUMP PN RG17980D. BECAUSE THE INLET PORT IS ON THE Apr 30, 2002 · Bnorm BN2B20 · Engine Fuel PumpSDR AUS20020266Pipe · loose(AUS) RH ENGINE CRANKCASE TO OIL COOLER PIPE LOOSE AND LEAKING. ENGINEHAD BEEN RECENTLY REPLACED. PERSONNEL/MAINTENANCE ERROR.Mar 15, 2002 · Bnorm BN2B20 · Engine Oil Distribution (Airframe Furnished)SDR AUS20020191Tappet · cracked(AUS) RH ENGINE NO6 CYLINDER INLET TAPPET AND NO4 CYLINDER EXHAUSTTAPPET BODIES CRACKED.Mar 11, 2002 · Bnorm BN2B20 · Reciprocating Engine Power SectionSDR AUS20020173Throttle · broken(AUS) LT ENGINE THROTTLE SLIDING END ASSEMBLY BROKEN.Feb 18, 2002 · Bnorm BN2A20 · Power LeverSDR AUS20011463Controller · faulty(AUS) AUTOPILOT CONTROL PROGRAMMER FAULTY.Dec 28, 2001 · Bnorm BN2B20 · Autopilot SystemSDR AUS20011369Rocker · misinstalled(AUS) ENGINE ROCKER COVER GASKETS INCORRECTLY FITTED. FOLLOWING REMOVAL OF THE ROCKER COVERS IT WAS FOUND THAT THE ROCKERS WERE ALSO INCORRECTLY FITTED. SOME INLET ROCKERS WERE FITTED TO EXHAUST POSITIONS AND VICE VERSA. NR 5 CYLINDER EXHAUST VALVE ALSO HAD EXDec 18, 2001 · Gippld GA200 · Reciprocating Engine Cylinder SectionSDR AUS20011394Cam · worn(AUS) MAGNETO IMPULSE CAM WORN BEYOND LIMITS.Dec 17, 2001 · Bnorm BN2A20 · Magneto/DistributorSDR AUS20011357Cam · failed(AUS) MAGNETO CAM PIVOT PIN HAD EXCESSIVE PLAY. PIN HAD APPROXIMATELY 0.508MM (0.020IN) OF PLAY. MAXIMUM PLAY 0.3556MM (0.014IN).Dec 14, 2001 · Bnorm BN2A20 · Magneto/Distributor
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