Allison 250-C40B

Service difficulty reports · 87

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 = '250C40B'
  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 AC2A110526Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGJul 27, 2006 · N427CU · Bell 430 · Main Rotor HeadSDR AC2A108635Stud · crackedFOUND STUDS CRACKED DURING INSPECTION, AT BASE OF THREADED PORTION./ REPLACED STUDS.Apr 5, 2006 · N430CT · Bell 430 · Main Rotor SystemSDR 2006FA0000059Restraint · failedPILOT REPORTED SEVERE VIBRATION AFTER INSPECTION FOUND ORANGE BLADE SHEAR RESTRAINT AT MAIN ROTOR SYSTEM FAILED. CNETER BUSHING HAD BECOME DEBONDED FROM ELASTOMERIC. VISUAL INSPECTION DIFFICULT BECAUSE OF ORIENTATION AT INSTALLATION. (K)Dec 20, 2005 · N430LF · Bell 430 · Main Rotor BladesSDR CA051125002Control Tube · chafedT/R CONTROL TUBE 430-001-007-101, FOUND WITH CHAFING MARKS. TUBE WAS REPLACED WITH NEW -105.Nov 9, 2005 · Bell 430 · Tail Rotor Control SystemSDR CA051125003Control Tube · chafedT/R CONTROL TUBE 430-001-007-101 FOUND WITH CHAFING MARKS. TUBE WAS REPLACED WITH NEW -105.Nov 9, 2005 · Bell 430 · Tail Rotor Control SystemSDR 2005FA0001303Wire · failedA LOOSE CONNECTION AT THE RING TERMINAL ON THE AIRCRAFT BATTERY CONNECTOR CAUSED SUFFICIENT HEAT BUILDUP TO MELT THE SECURING NUT AND WASHER AND CHAR THE WIRING. THE PROBLEM WAS COMPOUNDED BY THE AIRCRAFT MFG USE OF IMPROPERLY SIZED RING TERMINALS AT THIS CONSep 7, 2005 · N430SP · Bell 430 · Electrical Power System WiringSDR JJWA0061549Blade · fodGROUND CREW CLOTH SAFARI HAD BLEW OFF IN HIGH WIND AND WENT THROUGH MAIN ROTOR. NO VIBRATIONS OR APPARENT DAMAGE FELT IN AIRCRAFT, WAS SMOOTH RETURNING TO AIRPORT. FOUND DENT TOP AND BOTTOM AT STA 141 TO 145, IB OF OB TRIM TABS. OTHER AIRCRAFT SENT TO MOVE Apr 28, 2005 · N25PM · Bell 206B · Main Rotor BladesSDR 2005FA0000249Cowling · corrodedLT HAND TRANSMISSION COWLING FRETTING AGAINST ADJACENT COWLING. DZUS FASTENER DOES NOT HOLD COWLING WITH ENOUGH TENSION, CAUSING FRETTING. MOVEMENT CAUSED CRACK AT BOTTOM DZUS RAIL. (K)Feb 16, 2005 · N430LF · Bell 430 · Engine Cowling SystemSDR 2005FA0000278Bearing · wornSWASHPLATE DUPLEX BEARING P/N 430-310-461-101 S/N ZV10085 FOUND WORN ON LOWER RACE.Feb 9, 2005 · N9SP · Bell 430 · Main Rotor Mast/SwashplateSDR CA050124005Blade · debonded(CAN) TAIL ROTOR BLADE DOUBLER DEBOND ON APPROX. 6.5 IN. FROM THE TIP OF THE DOUBLER.Jan 20, 2005 · Bell 430 · Tail Rotor BladesSDR CA041207004Spline · worn(CAN) THE TRANSMISSION WAS IN FOR A HARD LANDING SUDDEN STOPPAGE INSPECTION AND EXCESSIVE WEAR WAS FOUND ON THE INTERNAL SPLINES OF THE GEARSHAFT AS WELL AS ON THE EXTERNAL SPLINES OF THE SUNGEAR.THE WEAR WAS NOT A RESULT OF THE HARD LANDING.THIS IS THE SECONDDec 6, 2004 · Bell 430 · Main Rotor GearboxSDR AC2A094057Hmu · malfunctionedM/ECU 2 ADVISORY LIGHT ILLUMINATED ON SHUTDOWN. VFMVFLT FAULT WAS RECORDED FOR ECU 2. REPLACED HMU.Apr 3, 2004 · N430CH · Bell 430 · Fuel Controlling SystemSDR AC2A093330Altimeter · malfunctionedALTIMETER MALFUNCTIONED. 60 FT LOW ON CERTIFICATION CHECK. REPLACEDFeb 17, 2004 · N430CT · Bell 430 · Altimeter, Barometric/EncoderSDR AC2A092331Exhaust Stack · crackedEXHAUST STACK IS CRACKED. REPLACED EXHAUST STACKNov 20, 2003 · N430CH · Bell 430 · Engine Collector/Tailpipe/NozzleSDR AC2A092332Exhaust Stack · crackedEXHAUST STACK IS CRACKED. REPLACED EXHAUST STACKNov 20, 2003 · N430CH · Bell 430 · Engine Collector/Tailpipe/NozzleSDR CA031015001Terminal · detached(CAN) THE P56A4 POWER CABLE WAS DETACHED FROM THE CRIMPED AN-4 4AWG N-40-50 ELECTRICAL LUG.Oct 13, 2003 · Bell 430 · Electrical Power System WiringSDR AC2A086763Module · galledHYDRAULIC MODULE FILTER HOUSING THREADS GALLED ON THE RETURN SIDE. REPLACED HYDRAULIC MODULE ASSEMBLY.May 24, 2003 · N430CT · Bell 430 · Hydraulic System, MainSDR AC2A086459Impeller · brokenCORNER OF IMPELLER BLADE IS BROKEN OFF. BROKEN AREA MEARURES 1/4 X 1/2 INCH. BROKE IMPELLER PIECE WAS FOUND IN THE TURBINE. REMOVED ENGINE FROM AIRCRAFT AND REPLACED IMPELLER.May 9, 2003 · N430CM · Bell 430 · Turbine Engine Compressor SectionSDR AC2A086265Hydromech Unit · leakingREMOVED FOR HMU BACKLASH CHECK. FOUND TO BE LEAKING FUEL FROM DRIVE SPLINE SEAL. REPLACED HMU.Apr 10, 2003 · N430CV · Bell 430 · Fuel Control/Turbine EnginesSDR CA021029010Sleeve · mismanufactured(CAN) FOUND IN MANUFACTURING, WEAR SLEEVES NOT BONDED PROPERLY TO T/R CONTROL TUBE ASSEMBLY. SUPPLIER DID NOT PERFORMED THE SURFACE PREPARATION REQUIRED BEFORE BONDING THE WEAR SLEEVES TO THE CONTROL TUBE CAUSING LACK OF ADHESION.Oct 29, 2002 · Bell 430 · Tilt Rotor Flight ControlSDR EGR2002F00003Hydromech Unit · leakingDURING FLIGHT CREWS SMELLED FUEL FUMES AFTER LANDING AT HOSPITAL. PILOT SAW FUEL IN THE NR 2 ENGINE COMPARTMENT. CECHANIC PINPOINTED FUEL LEAK TO THE AFT SIDE OF THE HMU, COMING FROM A PLATE WITH AN ADJUST/CONTROL.Jun 20, 2002 · N993PA · Bell 430 · Fuel Controlling SystemSDR EGR2002F00009Hydromech Unit · leakingDURING FLIGHT CREW DETECTED FUEL ODOR AFTER LANDING. PILOT SAW FUEL IN THE NR 2 ENGINE COMPARTMENT. MECHANIC PINPOINTED FUEL LEAK TO THE AFT SIDE OF THE HMU COMING FROM A PLATE WITH AN ADJUSTOR/CONTROL.Jun 20, 2002 · N993PA · Bell 430 · Fuel Controlling SystemSDR EGR2002F00004Hydromech Unit · inoperativeON START UP, PILOT GOT A MECU 2 INDICATION ON THE IIDS. FAULTS WERE: STOPCMTFLT, WFHDFLT, CPU HARD FLT AND WDT HARD FLIGHT. REMOVED AND REPLACED HMU. CLEARED FAULTS.Jun 11, 2002 · N993PA · Bell 430 · Fuel Controlling SystemSDR AC2A081090Solenoid · defectiveSOLENOID IS DEFECTIVE. SNAP RING ON SHAFT UNDER THE SPRING DOES NOT STAY IN GROOVE. REPLACED SOLENOID.Apr 1, 2002 · N430CM · Bell 430 · Fuel Controlling SystemSDR NUU2001F00000Wire · damagedUNCOMMANDED AUTOPILOT DISCONNECT. WHEN PILOT CYCLIC PRESS TO TRANSMIT SWITCH OPERATED. CYCLIC HANDLE WIRING FOUND CUT THROUGH BY THE OPERATION OF THE TRANSMIT TRIGGER. WIRING REPLACED AND REROUTED. CO PILOT CYCLIC HANDLE INSPECTED, WIRING FOUND DAMAGED BY Nov 12, 2001 · Bell 430 · Rotors Flight Control System WiringSDR HEEA076566Hose · leakingHOSE LEAKS UNDER PRESSURE. REPLACED WITH SERVICEABLE HOSE.Oct 11, 2001 · N8595X · Bell 407 · Engine (Turbine/Turboprop)SDR 2002FA0000073Turbine Wheel · corrodedTURBINE CAME IN FOR SHOP VISIT FOR LOW POWER. BEGAN DISASSEMBLY OF TURBINE, REMOVED OUTER COMBUSTION CASE AND FOUND SULFIDATION ON 1ST STAGE WHEEL. HAD ONE BLADE MISSING AND SEVERAL BROKEN BLADES. THIS TURBINE HAD A ROLLS ROYCE LINER. HAVE WHEELS TESTED FOAug 7, 2001 · N707AL · Skrsky S76 · Turbine SectionSDR AC2A075814Bleed Valve · loosePOWER ASSURANCE LOW NR 1 ENGINE. FOUND NR 1 ENGINE BLEED VALVE BODY BOLTS LOOSE. REPLACED WITH REPAIRED BLEED VALVE.Jul 2, 2001 · N430CV · Bell 430 · Compressor Bleed ValveSDR AC2A072786Elbow · leakingFUEL LEAK ON LINE FROM CEFA TO HMU. FOUND ELBOW ON CEFA HAD A MILLING MARK ON FACE OF FLANGE. REPLACED ELBOW.Mar 27, 2001 · N430CV · Bell 430 · Fuel Controlling SystemSDR AC2A072787Line · leakingOIL LEAK ON INBOARD SIDE OF NR 1 ENGINE. FOUND TUBE ASSY FROM CHECK VALVE TO GEAR BOX HOUSING WOULD NOT SEAT PROPERLY. REPLACED TUBE ASSY.Mar 27, 2001 · N430CV · Bell 430 · Turbine Engine Oil SystemSDR AC2A072784Bleed Valve · looseBLEED VALVE HOUSING WAS LOOSE. REPLACED DIAPHRAGM. REASSAMBLED AND PERFORMED TEST.Mar 11, 2001 · N430CH · Bell 430 · Compressor Bleed ValveSDR AC2A072812Blower · defectiveBEARING MAKES CLICKING SOUND AND CORROSION NEAR REAR NUT. PART WAS NEVER INSTALLED ON AIRCRAFT DUE TO THIS.Jan 29, 2001 · N430CH · Bell 430 · Engine Oil CoolerSDR AC2A0000089Turbine Wheel · contaminatedFIELD MAINT REPORTED NR 1 ENGINE HAD FOREIGN OBJECT DAMAGE TO NR 1 ENG COMPRESSOR. MECH EXAMINED TURBINE FOR DAMAGE PER MAINT INSTRUCTIONS. DAMAGE FOUND ON TURBINE NR 1 WHEEL AND ENG REMOVED AND RETURNED FOR REPAIR. UPON TEARDOWN, FOUND NR 1 TURB WHEEL HAD Aug 10, 2000 · N430CH · Bell 430 · Turbine SectionSDR 99ZZZX3454Filter · cloggedFILTERS CHANGED FOR BYPASS BUTTON ACTIVATION IN 100 HOURS.Jun 5, 1999 · N430CH · Bell 430 · Turbine Engine Oil SystemSDR 99ZZZX3451Diffuser · brokeDIFFUSER BROKEN OFF AT FLANGE MOUNT. SUSPECT VIBRATION.Nov 9, 1998 · N430CH · Bell 430 · Turbine Engine Compressor SectionSDR 99ZZZX3452Filter · failedBYPASS BUTTON POPPED.Nov 5, 1998 · N430CH · Bell 430 · Turbine Engine Oil SystemSDR 99ZZZX3453Filter · failedBYPASS BUTTON POPPED.Oct 6, 1998 · N430CH · Bell 430 · Turbine Engine Oil System
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