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.

SDR 2012FA0000550Flex Coupling · separatedFLEX COUPLING FAILED AT OUTPUT OF INTERMEDIATE GEARBOX. SUBSTATIAL DAMAGE OCCURED DURING HARD LANDING.Aug 7, 2012 · N5038F · Hiller 1100 · Tail Rotor Drive ShaftSDR 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 UNREPAJul 4, 2005 · Hughes 369A · Exterior LightingSDR 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.Sep 27, 2004 · Bell 206BELL · Turbine Engine Oil SystemSDR 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.Jul 18, 2002 · N130EH · Bolkms BO105S · Fuel Controlling SystemSDR 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.Jul 18, 2002 · N135EH · Bolkms BO105A · Turbine SectionSDR ERAA080480Diffuser · damagedALUMINUM DAMAGED BY IMPELLER. REMOVED AND RE-APPLIED PLASMA SPRAY ON CONTOUR. (OVERHAULED).Jul 18, 2002 · N131EH · Bolkms BO105S · Turbine Engine Compressor SectionSDR ERAA080474Shaft · stiffTHROTTLE SHAFT STIFF. THROTTLE BUSHING, REPLACED WITH NEW, AND GOVERNOR WAS RE-CALIBRATED TO FINAL CALIBRATION LIMITS.Jul 17, 2002 · N291EH · Bolkms BO105A · Fuel Controlling SystemSDR 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, RJul 17, 2002 · N130EH · Bolkms BO105S · Fuel Controlling SystemSDR ERAA080476Shaft · stiffSTIFF THROTTLE SHAFT. ROUGH/ DRY INTERNAL BEARINGS. ACTION TAKEN: SENT TO ACRO FOR REPAIR. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-1095A.Jul 17, 2002 · N131EH · Bolkms BO105S · Fuel Controlling SystemSDR HEEA080433Shaft · wornSHAFT HAS SPALLING AND STEP WEAR ON GEAR TEETH BEYOND NORMAL WEAR.Jul 11, 2002 · Bell TH57A · Turbine Engine Compressor SectionSDR HEEA078481Bearing Race · spalledTURBINE WAS REMOVED DUE TO METAL IN OIL. INSPECTION REVEALED SPALLING ON INNER RACE COUPLING BEARING RACE. INSTALLED NEW INNER RACE COUPLING.Mar 29, 2002 · N131 · Bell TH57A · Turbine SectionSDR AUS20020115Bearing · cracked(AUS) MAIN TRANSMISSION BEARING INNER RACE SPLIT WITH HEAVY BRINNELLING EVIDENT. METAL CONTAMINATION OF TRANSMISSION OIL SYSTEM.Jan 18, 2002 · Hughes 369HS · Main Rotor GearboxSDR 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.Nov 14, 2001 · Hughes 369HS · Turbine Engine Compressor SectionSDR ERAA092664Seal · fodFOD DAMAGE TO SEAL. CONTOUR FOUND DAMAGED AT CYCLE 1 INDUCTION. FULL OVERHAUL INCLUDING CONTOUR RESTORATION.Jan 11, 2001 · Bolkms BO105S · Turbine Engine Compressor SectionSDR CA990915064Attach Ring · broken(CAN) THE HORIZONTAL FORWARD ATTACHMENT RING ON THE TAILBOOM WAS FOUND BROKEN OFF.Sep 3, 1999 · Hughes 369HE · Rotorcraft Tail BoomSDR 99ZZZX3280Bearing · galledBEARING FOUND GALLED IN ENGINE COMPRESSOR SECTION.Aug 10, 1999 · N370FH · Hiller FH1100 · Turbine Engine Compressor SectionSDR ERAA062391Case · mismanufacturedOUTER COMBUSTION CASE COULD NOT BE INSTALLED BECAUSE AIR TUBE BOSS IS .008 INCH OUT OF ROUND.May 13, 1999 · N148EH · Bolkms BO105A · Turbine Engine Combustion SectionSDR 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 Apr 21, 1999 · N141LG · Bolkms BO105A · Fuel Injector NozzleSDR ERAA061869Sump Cover · mismanufacturedSUMP COVER COULD NOT BE INSTALLED DUE TO LOOSE DEBRIS AND FLAKING OVERSPRAY INSIDE OF COVER. ONE HOLE CLOGGED.Apr 16, 1999 · N148EH · Bolkms BO105A · Turbine SectionSDR 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.Apr 12, 1999 · N148EH · Bolkms BO105A · Turbine SectionSDR ERAA061862Nut · leakingNEW NUT; CAP LEAKS.Mar 24, 1999 · N148EH · Bolkms BO105A · Turbine Engine Compressor SectionSDR 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.Jul 16, 1998 · Hughes 369HS · Starter-GeneratorSDR CA980507006Clamp · cracked(CAN) EXHAUST COLLECTOR WELDED MARON CLAMP RING FOUND CRACKED.May 6, 1998 · Hughes 369HE · Engine Collector/Tailpipe/NozzleSDR 97ZZZX206Hose · leakingENGINE DRIVEN FUEL PUMP INLET LINE LEAKING AT FLARE FITTING DUE TO A CRACK. REPLACED WITH SERVICEABLE LINE.Dec 11, 1996 · N7929J · Bell 206B · Engine Fuel DistributionSDR 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 MAGNIFICATIONFeb 15, 1996 · Hughes 369HS · Tail Rotor Drive ShaftSDR 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 ENVIRONMENTFeb 15, 1996 · Hughes 369HS · Vertical StabilizerSDR 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 47G3B1Feb 2, 1996 · Bell 47G3B1 · Turbine Engine Compressor Section
Back to Allison 250-C18