Allison 250-C30P
Service difficulty reports · 646
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 = '250C30P' 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.
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 = '250C30P' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA065854Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2.SDR HEEA065855Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2. SERIAL NUMBERS REMOVED ARE MP02952 AND MP02953. REPLACED WITH SERIAL NUMBERS JJ02399 AND JJ03506.SDR HEEA065856Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2. SERIAL NUMBERS REMOVED ARE MP01281 AND MP01162. REPLACED WITH SERIAL NUMBERS JJ02329 AND JJ02198.SDR HEEA065857Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2.SDR HEEA065858Bearing · failedENGINE REMOVED DUE TO CYCLED OUT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2. SERIAL NUMBERS REMOVED ARE MP04281 AND MP04370. REPLACED WITH SERIAL NUMBERS JJ02784 AND JJ02743.SDR HEEA065859Bearing · failedENGINE REMOVED DUE TO CYCLED OUT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2.SDR HEEA065860Coupling · corrodedRECEIVING INSPECTION REVEALED PART NOT PRESERVED AT MANUFACTURER CAUSING RUST. CLEANED, INSPECTED AND PRESERVED PART.SDR CA000118022Bearing · wrong part(CAN) SG BEARINGS REMOVED AT SCHEDULED O/H WERE FOUND OK BUT NOT CORRECT P/N.SDR HEEA065435Tie Bolt · bentENGINE REMOVED DUE TO EXCESSIVE SMOKING. UPON ATTEMPT TO BALANCE NOTED TIE BOLT BENT AND UNABLE TO BALANCE DUE TO CHAMFER INSIDE NR 2 WHEEL SHAFT MISMACHINED.SDR HEEA065436Wheel · mismanufacturedENGINE REMOVED DUE TO EXCESSIVE SMOKING. UPON ATTEMPT TO BALANCE NOTED TIE BOLT BENT AND UNABLE TO BALANCE DUE TO CHAMFER INSIDE #2 NR 2 WHEEL SHAFT MISMACHINED.SDR HEEA065302Collector · crackedCRACKED EXHAUST COLLECTOR. REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2. SERIAL NUMBERS REMOVED ARE MP03890 AND MP03914. REPLACED WITH SERIAL NUMBERS JJ02242 AND JJ02236.SDR HEEA065303Collector · crackedCRACKED EXHAUST COLLECTOR. REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2.SDR HEEA065304Bearing · damagedENGINE HAS WHINE RELATED TO N1 SPEED. BEARINGS REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2. SERIAL NUMBERS REMOVED ARE MP01700 AND MP01418. REPLACED WITH SERIAL NUMBERS JJ02197 AND JJ02207.SDR HEEA065305Bearing · damagedENGINE HAS WHINE RELATED TO N1 SPEED. BEARINGS REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2.SDR HEEA065306Bearing · cloggedENGINE REMOVED DUE TO 6 AND 7 BEARING SUMP CLOGGED. BEARINGS REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2. SERIAL NUMBERS REMOVED ARE MP00520 AND MP01232. REPLACED WITH SERIAL NUMBERS JJ02374 AND JJ02192.SDR HEEA065307Bearing · cloggedENGINE REMOVED DUE TO 6 AND 7 BEARING SUMP CLOGGED. BEARINGS REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2.SDR HEEA065187Carbon Seal · damagedENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF COMPRESSOR PARTS NOTED GROOVED TANG SLOTS BEYOND SERVICEABLE LIMITS ON CARBON SEAL ASSY. REQUSDR HEEA065188Gearshaft · damagedENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF COMPRESSOR PARTS NOTED STEP WEAR BEYOND SERVICEABLE LIMITS ON SPUR GEAR AFT END SPLINES.SDR HEEA065189Gearshaft · wornENGINE REMOVED DUE TO CRACKED SCROLL AND CRACKED EXHAUST COLLECTOR. UPON INSPECTION OF COMPRESSOR PARTS NOTED EXCESSIVE STEP WEAR ON SPUR GEAR AFT END SPLINES.SDR HEEA064984Housing · mismanufacturedRECEIVING INSPECTION REVEALED O-RING GROOVES ON NR 1 BEARING HOUSING IMPROPERLY MACHINED IN LOCATION OF SUPERCEDING P/N 23062751.SDR HEEA064986Carbon Seal · leakingINSTALLED NEW CARBON SEAL ASSY P/N 23004513, PRESSURE CHECKED NR 1 BEARING AREA, LEAKED. INSTALLED SECOND CARBON SEAL ASSY AND PRESSURE CHECKED.SDR CA991112002Ring Gear · cracked(CAN) ELEVEN TEETH WERE FOUND CRACKED ON 1,500-HOUR INSPECTION.SDR HEEA064717Pump · wornFUEL PUMP HAD WORN DRIVE SPLINES.SDR CA991103030Turbine Wheel · failed(CAN) MANUFACTURER UNABLE TO PROVIDE CONFIRMATION THAT THEY MANUFACTURED THIE S/N WHEEL SPECIFIED. ITEM SENT TO M&M S.U.P.SDR HEEA064465Carbon Seal · damagedENGINE REMOVED DUE TO SMOKE AT 100 PERCENT TO IDLE. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: GROOVED SLOTS AND TANGS BEYOND SERVICEABLE LIMITS ON CARBON SEAL ASSY. NEW PART INSTALLED.SDR AU991065Bleed Valve · damaged(AUS) ENGINE BLEED VALVE PC PORT CONTAINED DAMAGED THREADS DUE TO CORROSION. THE BLEED VALVE WAS AN OVERHAULED EXCHANGE ITEM BEING INSPECTED BEFORE FITMENT.SDR HEEA064377Pinion Gear · spalledENGINE REMOVED DUE TO METAL IN OIL. UPON INSPECTION OF GEARBOX PARTS NOTED: SPALLING OF GEAR TEETH. INSTALLED NEW PARTS.SDR HEEA064378Gear · spalledENGINE REMOVED DUE TO METAL IN OIL. UPON INSPECTION OF GEARBOX PARTS NOTED: SPALLING OF GEAR TEETH. INSTALLED NEW PARTS.SDR HEEA063858Bearing · corrodedRECEIVING INSPECTION PER BOOK FAX 99 AMC043 REVEALED CORROSION ON BEARING.SDR HEEA063069Wheel · mismanufacturedNEW NR 4 WHEEL BALANCE INSPECTION FOUND RIM TO HAVE EXCESSIVE RUNOUT. ROTOR COULD NOT BE BALANCED. INSTALLED A NEW NR 4 WHEEL.SDR HEEA063262Fcu · fluctuatingTORQUE AND TOT FLUCTUATIONS IN-FLIGHT AFTER POWER CHANGES.SDR CA990907011Check Valve · failed(CAN) WHILE SLINGING A LOAD IN THE HOVER, THE ENGINE STARTED SURGING AND THEN DECLERATED. PILOT TRIED TO MAINTAIN RPM BUT ENGINE STARTED PULSATING. PILOT LANDED AND THEN SHUT DOWN ROTORCRAFT.SDR CA991028037Seal · leaking(CAN) INPUT SEAL LEAKING HYDRAULIC FLUID. NEW SEAL INSTALLED.SDR HEEA063030Bearing · corrodedRECEIVING INSPECTION REVEALED PART NOT PRESERVED AT TIME OF MANUFACTURE AND EXHIBITS RUST.SDR HEEA062969Diffuser · leakingENGINE REMOVED DUE TO METAL IN OIL. FOUND REAR SUPPORT MAJOR SEAL LIFTING AND CHROME FITTING FLAKING IN NR 2 BEARING BORE. REPLACED WITH SERVICEABLE REAR DIFFUSER.SDR HEEA062968Carbon Seal · leakingENGINE REMOVED DUE TO NR 1 SEAL LEAK. UPON INSPECTION, FOUND SLOT WEAR IN CARBON SEAL RING. PART SCRAPPED.SDR HEEA062878Splines · wornFUEL PUMP HAD WORN DRIVE SHAFT SPLINES AND GEAR SPLINES.SDR 99ZZZX3658B-Nut · failedFAILURE - B-NUT FLAIREDSDR 99ZZZX3554Tube · crackedGOVERNOR TUBE CRACKED.SDR 99ZZZX2651Tube · crackedDURING CRUISE FLIGHT FROM OFFSHORE, PILOT NOTICED N2 DROPPING. LANDING WAS MADE - NO DAMAGE TO AIRCRAFT. DURING TROUBLESHOOTING, FOUND PC LINE FROM ACCUMULATOR TO FUEL CONTROL CRACKED AT FLARE ON POWER CONTROL SIDE CAUSING ENGINE TO SPOOL DOWN. REPLACED LINSDR 99ZZZX2494Bearing · failedDURING FLIGHT, THE 'ENGINE CHIP LIGHT' WARNING LIGHT ILLUMINATED. DURING A 30-MINUTE GROUND RUN FOR TROUBLESHOOTING THE CHIP LIGHT AGAIN ILLUMINATED. THE ENGINE WAS DISASSEMBLED AND THE NR 1 BEARING WAS FOUND TO HAVE FAILED CAUSING IMPELLER TO CONTACT THE SHSDR HEEA062405Coupling · wornENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: PITTED AND STEP WEAR BEYOND SERVICEABLE LIMITS ON N1 COUPLING INNER SPLINES.SDR HEEA062407Wheel · mismanufacturedNEW PART ASSEMBLY INSPECTION REVEALED 19-24 SHOULDER TO SHAFT END DIMENSION APPROX: .0025 INCH UNDERSIZED CAUSING ROTOR TO NOT MEET TRAVEL AT ASSEMBLY.SDR CA991007050Frame · cracked(CAN) DURING A VISUAL EXAMINATION OF THE TAILBOOM TO FUSELAGE ATTACH STRUCTURE, A CRACK WAS FOUND ON THE FUSELAGE AFT BULKHEAD LOCATED AT THE UPPER RIGHT INTERCOSTAL.SDR HEEA061564Filter · malfunctionedFILTER WILL NOT BYPASS.SDR HEEA061565Filter · malfunctionedFILTER NOT BYPASS.SDR HEEA061569Filter · malfunctionedFILTER WILL NOT BYPASS.SDR HEEA060660Pump · wornWORN DRIVE SHAFT SPLINES AND GEARS.SDR HEEA060478Vane · mismanufacturedRECEIVING INSPECTION REVEALED: MEASURED .009 INCH OUT OF ROUND ON VANE ASSEMBLY.SDR HEEA060475Vane · mismanufacturedRECEIVING INSPECTION REVEALED: MEASURED .009 INCH OUT OF ROUND ON VANE ASSEMBLY INSIDE DIAMETER.
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