Allison 250-C18
Service difficulty reports · 27
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 = '250C18' 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 = '250C18' 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 2012FA0000550Flex Coupling · separatedFLEX COUPLING FAILED AT OUTPUT OF INTERMEDIATE GEARBOX. SUBSTATIAL DAMAGE OCCURED DURING HARD LANDING.SDR AU510001641Strobe · wrong part(AUS) INCORRECT STROBE LIGHT FITTED. THE INCORRECT LIGHT WAS APPROXIMATELY 50MM (1.96IN) HIGHER THAN THE ORIGINAL LIGHT. THIS EXTRA HEIGHT BROUGHT THE LIGHT INTO THE TRACKING AREA OF THE MAIN ROTOR BLADES WHICH CONSEQUENTLY IMPACTED ON THE LIGHT CAUSING UNREPASDR CA041007004Gear · worn(CAN) THIS IS THE OIL PUMP GEAR THAT DRIVES THE HYDRAULIC PUMP ON THE AC, GREASING INTERVAL IS 300 HRS. THIS SHAFT WAS GREASED EVERY 100 HRS AND HAS TOTALLY WORN OUT. THIS SHAFT ALSO WEARS OUT THE COUPLING IT ATTACHES TO, AS WELL.SDR ERAA080478Governor · malfunctionedTORQUE SPLITS UP TO 30% IN CRUISE FLIGHT. GOVERNOR REPAIRED AND TESTED SERVICEABLE IAW HONEYWELL OHM FORM 15-1095A. CEB'S A-1353R2 AND 1384 FOUND N/A BY UNIT S/N.SDR ERAA080479Turbine Wheel · damagedUNIT HAS LOW POWER. NR 4 NOZZLE AND NR 3 WHEEL CRACKED. INSTALLED NEW NR 3 & 4 WHEEL AND NEW NR 4 NOZZLE. C/W CEB-1360; RE-COAT INNER SHAFT.SDR ERAA080480Diffuser · damagedALUMINUM DAMAGED BY IMPELLER. REMOVED AND RE-APPLIED PLASMA SPRAY ON CONTOUR. (OVERHAULED).SDR ERAA080474Shaft · stiffTHROTTLE SHAFT STIFF. THROTTLE BUSHING, REPLACED WITH NEW, AND GOVERNOR WAS RE-CALIBRATED TO FINAL CALIBRATION LIMITS.SDR ERAA080475Governor · malfunctionedTORQUE SPLITS - SPEEDS UP AND ADJ MAX BEEP TO 99 PERCENT N2. THEN WAS TEST FLOWN - CHECKED MAX BEEP AT 96 PERCENT - ADJ TO 99 PERCENT AND HOVER A/C MAX BBEP FELL AGAIN TO 95 PERCENT. SENT TO ACRO FOR REPAIR. FOUND EXCESSIVE DROOPING, BEYOND SERVICE LIMITS, RSDR ERAA080476Shaft · stiffSTIFF THROTTLE SHAFT. ROUGH/ DRY INTERNAL BEARINGS. ACTION TAKEN: SENT TO ACRO FOR REPAIR. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-1095A.SDR HEEA080433Shaft · wornSHAFT HAS SPALLING AND STEP WEAR ON GEAR TEETH BEYOND NORMAL WEAR.SDR HEEA078481Bearing Race · spalledTURBINE WAS REMOVED DUE TO METAL IN OIL. INSPECTION REVEALED SPALLING ON INNER RACE COUPLING BEARING RACE. INSTALLED NEW INNER RACE COUPLING.SDR AUS20020115Bearing · cracked(AUS) MAIN TRANSMISSION BEARING INNER RACE SPLIT WITH HEAVY BRINNELLING EVIDENT. METAL CONTAMINATION OF TRANSMISSION OIL SYSTEM.SDR AUS20011238Blade · failed(AUS) SECOND STAGE COMPRESSOR BLADES (2OFF) FAILED). MAJOR DOWNSTREAM DAMAGE. SEVERAL OTHER SECOND STAGE ROTOR BLADES WERE FOUND TO BECRACKED FROM THE TRAILING EDGE.SDR ERAA092664Seal · fodFOD DAMAGE TO SEAL. CONTOUR FOUND DAMAGED AT CYCLE 1 INDUCTION. FULL OVERHAUL INCLUDING CONTOUR RESTORATION.SDR CA990915064Attach Ring · broken(CAN) THE HORIZONTAL FORWARD ATTACHMENT RING ON THE TAILBOOM WAS FOUND BROKEN OFF.SDR 99ZZZX3280Bearing · galledBEARING FOUND GALLED IN ENGINE COMPRESSOR SECTION.SDR ERAA062391Case · mismanufacturedOUTER COMBUSTION CASE COULD NOT BE INSTALLED BECAUSE AIR TUBE BOSS IS .008 INCH OUT OF ROUND.SDR ERAA062371Shield · crackedTURBINE DUE 1,750 HOUR INSPECTION DUE TO NR 1 AND NR 2 WHEEL CYCLE OUT. DISCOVERED CONDITION OF NR 1 NOZZLE SHIELD DURING TEARDOWN. THE DAMAGE STARTS AT THE MISSING MATERIAL TO HALF THE CIRCUMFERENCE OF THE DOME. CRACK IS LOCATED WHERE THE DOME IS BRAZED SDR ERAA061869Sump Cover · mismanufacturedSUMP COVER COULD NOT BE INSTALLED DUE TO LOOSE DEBRIS AND FLAKING OVERSPRAY INSIDE OF COVER. ONE HOLE CLOGGED.SDR ERAA061867Gp Support · misoverhauledGP SUPPORT SENT FOR OVERHAUL 8-4-98, COULD NOT BE INSTALLED DUE TO ROUGH SURFACE AT NR 8 OIL TUBE SEAL, AND SUMP NUT E-RING SEAT.SDR ERAA061862Nut · leakingNEW NUT; CAP LEAKS.SDR CA980804009Fan · wrong part(CAN) IN SHOP FOR REPAIR, LEAR SIEGLER STARTER/GENERATOR HAD AN APC FAN P/N 1503G1107 INSTEAD OF THE LEAR SIEGLER FAN P/N 23032-1481.SDR CA980507006Clamp · cracked(CAN) EXHAUST COLLECTOR WELDED MARON CLAMP RING FOUND CRACKED.SDR 97ZZZX206Hose · leakingENGINE DRIVEN FUEL PUMP INLET LINE LEAKING AT FLARE FITTING DUE TO A CRACK. REPLACED WITH SERVICEABLE LINE.SDR AU960191Drive Shaft · sheared(AUS) TAIL ROTOR DRIVE SHAFT SHEARED APPROXIMATELY 457.2MM (18IN) FROM THE FORWARD END - SEVERAL LONGITUDINAL CRACKS WERE EVIDENT IN THEAREA OF THE FAILURE WHEN VIEWED UNDER X10 MAGNIFICATIONSDR AU960192Housing · corroded(AUS) STABILIZER STRUT DAMPER SHAFT PULLED FROM FITTING DURING HEAVY VIBRATION FOLLOWING TAIL ROTOR DRIVE SHAFT FAILURE (MDR 96/0191) - FITTING EXHIBITED SIGNS OF SEVERE INTERGRANNULAR CORROSION - AIRCRAFT OPERATES IN A SALT LADEN ENVIRONMENTSDR AU960152Blade · failed(AUS) COMPRESSOR NO2/3 ROTOR ASSEMBLY BLADE FAILED - BLADES EXITED THROUGH BOTH COMPRESSOR CASE HALVES - FURTHER DAMAGE TO TURBINESECTION DUE TO FOD AND OVERTEMPERATURE - AIRCRAFT IS A SOLOY TURBINE ENGINE MODIFICATION ALLISON 250C18B POWERED BELL 47G3B1
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