Allison 250-C30

Service difficulty reports · 402

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 = '250C30'
  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 AC2A086269Shaft Seal · leakingPART IS LEAKING OIL. OIL SEAL HAD BECOME DISPLACED FROM FUEL PUMP DRIVE SEAL BORE IN ENGINE GEARBOX. OIL WAS COMING OUT OF THE FUEL PUMP CASE DRAIN, THROUGH THE DRAIN HOSE AND OUT OF THE DRAIN CLUSTER ON THE BELLY OF THE AIRCRAFT. FUEL PUMP WAS REMOVED, THE DRApr 21, 2003 · N7266K · Skrsky S76A · Engine (Turbine/Turboprop)SDR TU32003F00000Bearing · wornBEARINGS WORN BEYOND LIMITS WITH SHORT AMOUNT OF FLIGHT TIME ON COMPONENT.Mar 18, 2003 · N303PS · Bell 230 · Tail Rotor HeadSDR TU32003F00001Bearing · debondedELASTOMERIC DEBONDED FROM BEARING HOUSING. (SN/ LK0326, LK1013, LK0308, LK0810)Mar 18, 2003 · N303PS · Bell 230 · Tail Rotor HeadSDR TU32003F00002Bearing · debondedELASTOMERIC DEBONDED FROM BEARING HOUSING.Mar 18, 2003 · N303PS · Bell 230 · Main Rotor HeadSDR TU32003F00004Bearing · debondedRUBBER DEBONDED BEYOND LIMITS.Mar 18, 2003 · N303PS · Bell 230 · Main Rotor HeadSDR TU32003F00005Liner · wornATTACHING END AT FLEXTURE WORN AND NEEDS BUFFER PAD REPLACED.Mar 18, 2003 · N303PS · Bell 230 · Main Rotor Transmission MountSDR TU32003F00006Mount · wornATTACHING END OF FLEXTURE WORN AND NEEDS BUFFER PAD REPLACED.Mar 18, 2003 · N303PS · Bell 230 · Main Rotor Transmission MountSDR ALGA085104Fuel Nozzle · defectiveENGINE LOW MOANING/ BURBLING NOISE WITH N1 OSCILLATIONS AT FLIGHT IDLE.Mar 6, 2003 · N361AL · Bell 206L3 · Fuel Injector NozzleSDR ALGA085090Coupling · gougedFOUND N1 COUPLING INTERNAL SPLINES CHIPPED/GOUGED AND O.D. RUSTED.Mar 5, 2003 · Clark 1000CLARK · Turbine SectionSDR HEEA084911Poppet Valve · failedRECEIVED FROM STOCK AND FOUND END OF VALVE SURFACE VERY UNEVEN. VALVE WOULD NOT SEAT IN UNIT.Feb 28, 2003 · Clark 1000CLARK · Compressor Bleed ValveSDR ALGA084136Bearing Race · corrodedFOUND CORROSION PITTING ON INNER POWER TURBINE SHAFT BEARING RACE.Feb 19, 2003 · Clark 1000CLARK · Engine (Turbine/Turboprop)SDR ALGA084131Coupling · gougedFOUND SPLINES DAMAGED FROM MAUFACTURING PROCESS OF N1 COUPLING.Feb 13, 2003 · Clark 1000CLARK · Engine (Turbine/Turboprop)SDR ALGA084090Coupling · gougedFOUND DEEP GOUGES ON SPLINES OF N1 COUPLING ON POWER TURBINE.Feb 5, 2003 · Clark 1000CLARK · Turbine SectionSDR ALGA084074Bearing Race · corrodedFOUND CORROSION PITTING ON POWER TURBINE SHAFT INNER RACE.Feb 3, 2003 · Clark 1000CLARK · Turbine SectionSDR SVB2003F00000Seal · leakingRAPID SERVO LEAK EMPTIED NR 1 HYDRAULIC SYSTEM IN LESS THAN 6 MINUTES. COLLECTIVE CYCLIC SERVO CONTINUED TO FUNCTION ON NR 2 HYDRAULIC SYSTEM BUT TAIL ROTOR CONTROLS WERE INOPERATIVE REQUIRING A FORCED LANDING.Feb 2, 2003 · N30SV · Bell 230 · Hydraulic System, MainSDR HEEA083665Check Valve · damagedCHECK VALVE FLARE END NICKED CAUSING LEAK. REPAIRED.Jan 14, 2003 · N501PH · Bell 407 · Fuel Controlling SystemSDR ALGA082901Nozzle · mismanufacturedFOUND NR 1 WHEEL BLADE PATH FINAL MACHINED OVERSIZED. DIM.= 6.275 RETURNED PART.Jan 8, 2003 · Clark 1000CLARK · Turbine SectionSDR HEEA083060Element · mismanufacturedENGINE OIL FILTER WILL NOT FIT IN THE HOUSING. THE HOLE WHERE THE O-RING GOES IS TOO SMALL ON ONE END. SCRAPPED.Jan 7, 2003 · N5007N · Bell 206L1 · Turbine Engine Oil SystemSDR YT22003F00000Idler Link · damagedREPLACED COLLECTIVE IDLER LINK ASSEMBLY.Jan 7, 2003 · N60SM · Bell 206L4 · Main Rotor Mast/SwashplateSDR Y2T2003F00000Bearing · failedBEARING FAILED, 262.6 HOURS, AFTER INSTALLATION.Jan 3, 2003 · N401CJ · Bell 206L3 · Main Rotor Mast/SwashplateSDR 2003FA0000082Warning Light · activatedENGINE MAGNETIC PLUG WARNING LIGHT CAME ON DURING FLIGHT. PILOT LANDED AIRCRAFT AND MAINTENANCE WAS NOTIFIED. MECHANIC INSPECTED MAGNETIC PLUGS AND FOUND PASTE ON UPPER ENGINE GEARBOX MAGNETIC CHIP PLUG. MECHANIC CLEANED AND REINSTALLED PLUG PERFORMED MAINTJan 2, 2003 · N4227E · Bell 206L1 · Engine Oil Indicating SystemSDR 2003FA0000600Scavenge Pump · inoperativeDURING BUCKET SLING TRAINING, AIRCRAFT STARTED SMOKING. PILOT PERFORMED PRECAUTIONARY LANDING AND OVERTORQUED AIRCRAFT. MAINTENANCE WAS NOTIFIED AND DISPATCHED TO RETRIEVE AIRCRAFT FROM LOCATION. AIRCRAFT ENGINE WAS INSPECTED AND FOUND THAT THE NR 8 SCAVENGJan 2, 2003 · N3893U · Bell 206L3 · Main Rotor GearboxSDR IBU2003F00000Governor · failedGOVERNOR FAILED CAUSING ENGINE RPM, TORQUE, TOT. TO NOT REMAIN STABLE. FLUCTUATION OF RPM WERE SEVERE ENOUGH TO CAUSE AIRCRAFT TO YAW LT AND RT WITH INCREASE AND DECREASE OF RPM.Dec 27, 2002 · N203M · Bell 206L3 · Turbine GovernorSDR YTRR081619Shaft · wornOIL PUMP SHAFT SPLINES WORN TO THE POINT OF ROTOR TACH FAILURE.Dec 11, 2002 · N207RT · Bell 206L4 · Turbine Engine Oil SystemSDR HEEA082628Filter · defectiveNR 1 ENGINE PC FILTER HANG STARTS ON ENGINE RINSE. REPLACED WITH SERVICEABLE FILTER.Dec 11, 2002 · N5031U · Bolkms BO105S · Fuel Controlling SystemSDR HEEA082629Filter · cloggedNR 1 ENGINE PC FILTER CLOGGING WITH WATER ON ENGINE WASH AND CAUSING HANG STARTS. REPLACED WITH SERVICEABLE FILTER.Dec 11, 2002 · N5031U · Bolkms BO105S · Fuel Controlling SystemSDR HEEA082630Check Valve · failedENGINE SMOKING ON SHUTDOWN. SCRAPPED CHECK VALVE.Dec 11, 2002 · N5031U · Bolkms BO105S · Fuel Controlling SystemSDR HEEA082631Fuel Control · malfunctionedFUEL CONTROL DECEL TIME TOO LONG, ON/ABOUT 70 SECONDS. IN SHOP REPAIR.Dec 11, 2002 · N5031U · Bolkms BO105S · Fuel Controlling SystemSDR HEEA082632Governor · malfunctionedGOVERNOR TORQUE SPLITS. IN SHOP REPAIR.Dec 11, 2002 · N5031U · Bolkms BO105S · Turbine GovernorSDR ALGA081610Wheel · mismanufacturedTHIS IS A NEW PART. PART CAN NOT BE DYNAMIC BALANCED, DUE TO BEING TOO HIGH OUT OF BALANCE AND OFF SCALE ON THE X10 SCALE AND ON UPPER SCALE.Dec 10, 2002 · Clark 1000CLARK · Turbine SectionSDR AC2A081568Gearshaft · brokenN-1 WENT TO ZERO, ENGINE OUT AUDIO CAME ON, ENGINE CHIP LIGHT ONDec 3, 2002 · N7266K · Skrsky S76A · Engine (Turbine/Turboprop)SDR TU3R12048Bearing · delaminatedDURING MAIN ROTOR TRACK AND BALANCE FLIGHTS, THE CREW WOULD HAVE THE RIDE, ACCEPTABLE BY FEEL AND BY READINGS, AND RELEASE THE AIRCRAFT FOR SERVICE. THE NEXT FLIGHT THE RIDE WOULD BE WORSE. DURING THE INSPECTION OF THE ROTOR SYSTEM, THE HYDRAULIC CART WAS COct 29, 2002 · N303PS · Bell 230 · Main Rotor HeadSDR YT2R631366Seal · leakingTAILROTOR GEARBOX SEAL, LEAKING UPON INSTALL.Oct 15, 2002 · N2019F · Bell 206L3 · Tail Rotor GearboxSDR Y3AR527YFitting · crackedDURING 100 HOUR ANNUAL INSPECTION FOUND LT UPPER FITTING ON THE FUSELAGE SIDE OF THE TAILBOOM ATTACHMENT CRACKED. REMOVED AND REPLACED FITTING (PN 206031329103S) MM. FITTING IS CRACKED ON THE OUTBOARD FLANGE BETWEEN THE 2 AFT RIVETS.Sep 18, 2002 · N357SP · Bell 206L4 · Rotorcraft Tail BoomSDR AUS20021040Longeron · cracked(AUS) TAIL BOOM LONGERON CRACKED AROUND TWO RIVET HOLES.Sep 7, 2002 · Bell 206L3 · Rotorcraft Tail BoomSDR AUS20020972Seal · damaged(AUS) ENGINE REMOVED DUE TO METAL CONTAMINATION. INVESTIGATION FOUNDTHE ROTATING POWER TURBINE LABYRINTH SEAL CONTACTED THE NO6 AND NO7 BEARING SUMP STATIONARY SEALS. WEAR PATTERN ON THE SEAL AREAS ARE OVAL SUGGESTING THAT THE ENGINE HAD BEEN SUBJECTEDTO A HEAJul 17, 2002 · Bell 206L1 · Turbine SectionSDR DNW2002F00000Coupling · wornSPLINES ON DRIVE COUPLING WORN, SPLINED ON PUMP SHOW SIGNS OF MINOR WEAR DIFFICULT TO SEE INSIDE DRIVE COUPLING AT DEGREASE.Jul 9, 2002 · N90Q · Snias AS350D · Hydraulic Pump (Electric/Engine), MainSDR EGR2002F00005Chip Detector · activatedNR 2 ENGINE CHIP LIGHT ILLUMINATED WHEN INITIATING APPROACH, LIGHT COULD NOT BE RESET PER SMSP. AIRCRAFT LANDED AT NEARBY AIRPORT. NO FAILURE OF SYSTEMS OR COMPONENTS FOUND. MAINTENANCE REMOVED UPPER CHIP PLUG ON NR 2 ENGINE AND FOUND 1 SMALL FLAKE. CLEANEJul 8, 2002 · N764LF · Skrsky S76A · Engine Oil Indicating SystemSDR 2003FA0000338Stiffener · crackedFOUND SUBJECT STIFFENER AND WEB CRACKED DURING MAINTENANCE EVENT. GAINED ACCESS AND FOUND RIGHT HAND BEAM ALSO CRACKED. BEAM AREA WAS HIDDEN UNTIL DISASSEMBLY SHOWED FURTHER DAMAGE. SUGGEST THAT BETTER ATTENTION IS PAID TO THIS AREA ON INSPECTIONS, ESPECIALJun 21, 2002 · N2064S · Bell 206L4 · Fuselage Miscellaneous StructureSDR 2002FA0000871Nut · unsecurePILOT COMPLAINED OF MEDIUM FREQUENCY VIBRATION. VIBRATION WAS ISOLATED TO THE TAIL ROTOR DRIVE SHAFT 5TH SEGMENT. THE MS21042L4 NUT THAT SECURES THE HANGER BEARING ON THE SHAFT HAD LOST TORQUE. THIS ALLOWED THE BEARING INNER RACE TO SPIN ON THE SHAFT, RUINIJun 14, 2002 · N83WP · Bell 206L3 · Tail Rotor Drive ShaftSDR HEEA078713Valve · stuckSOLENOID VALVE STUCK OPEN. REPLACED WITH SERVICEABLE VALVE.May 20, 2002 · N5435V · Skrsky S76A · Fuel Controlling SystemSDR HEEA078704Turbine Wheel · damagedTURBINE REMOVED FOR OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED LIGHT SULFIDATION ON BACK SIDE OF 1ST STAGE WHEEL LEADING EDGE BLADES. SCRAPPED.May 15, 2002 · N14UH · Bell 230 · Turbine SectionSDR HEEA078973Plenum · crackedCRACKED AT BOTTOM AND NUTPLATE BROKE LOOSE FROM PLENUM.May 15, 2002 · N612PH · Bell 407 · Turbine Engine Compressor SectionSDR HEEA079027Nozzle · damagedINTERMITTENT STARTING PROBLEMS. REPLACED WITH SERVICEABLE FUEL NOZZLE.May 15, 2002 · N406PH · Bell 407 · Fuel Injector NozzleSDR HEEA079030Bulb · inoperativeFADEC MANUAL SWITCH BULB INOPERATIVE. REPLACED WITH SERVICEABLE PART.May 15, 2002 · N496PH · Bell 407 · Fuel Controlling SystemSDR HEEA079031Nozzle · failedN1, TOT, AND TORQUE OSCILLATION AFTER 20 MINUTES OF FLIGHT. REPLACED WITH SERVICEABLE UNIT.May 15, 2002 · N720PH · Bell 407 · Fuel Injector NozzleSDR HEEA079060Nozzle · bentENGINE NOZZEL TUBE BENT. REPLACED WITH SERVICEABLE PART.May 15, 2002 · N402PH · Bell 407 · Turbine SectionSDR HEEA079061Filter Element · cloggedENGINE OIL FILTER CLOGGED, OIL BYPASS INDICATOR POPPING. REPLACED WITH SERVICEABLE PART.May 15, 2002 · N742PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA079062Filter · cloggedBYPASS BUTTON EXTENDED ON DAILY. ENGINE OIL FILTER CLOGGED. REPLACED WITH SERVICEABLE PART.May 15, 2002 · N4999 · Bell 407 · Turbine Engine Oil SystemSDR HEEA078702Bearing · failedREMOVED DUE TO ENGINE RAN WITH LOW OIL PRESSURE. NR 3 AND 4 BEARING FAILURE.May 14, 2002 · N530JC · Bell 206L · Turbine Engine Accessory Drive
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