Allison 250-C20B

Service difficulty reports · 1,981

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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 = '250C20B'
  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 ERAA074831Fuel Control · misoverhauledFUEL CONTROL OVERHAULED BY HONEYWELL 2/23/01. UNIT IS SLOW STARTING AND HANGS AT 55 PERCENT. RETURNING ON ERA REPAIR ORDER RW-885436 REQUESTING WARRANTY REPAIR.Aug 1, 2001 · N293EH · Bolkms BO105S · Fuel Controlling SystemSDR 2001FA0000315Scroll · crackedWHILE TROUBLESHOOTING CAUSE OF HIGH TOT, AIR LEAK WAS DISCOVERED AROUND UPPER PORTION OF COMPRESSOR. FURTHER INVESTIGATION REVEALED A CRACK APPROXIMATELY 3.810 INCHES LONG IN AREA BETWEEN CUSTOMER BLEED AIR PORT AND FORWARD OF DIFFUSER. CRACK DID NOT ORIGINAAug 1, 2001 · N108FH · Bell 206B · Turbine Engine Compressor SectionSDR CA010809001Compressor Wheel · damaged(CAN) DURING AN SCHEDULED INSP THE 1ST STAGE COMPRESSOR WAS NOTED TO HAVE F.O.D. AFTER REMOVING THE CASE HAVLES FOR FURTHER INSPECTION. IT WAS FOUND NO DAMAGE WENT FURTHER DOWN THAN THE 1ST STAGE. THE DAMAGE WAS INSPECTED AND BLENDED OUT IAW MAINTENANCE MANUALJul 25, 2001 · Bell 206B · Turbine Engine Compressor SectionSDR CA010809002Spring · cracked(CAN) DURING A POWER ASSURANCE CHECK NR 2 ENGINE HAD TOT AND TORQUE FLUCTUATIONS. ENGINE POWER RETURNED TO OPERATIVE LIMITS AND A/C LANDED AT MAINTENACE FACILITY. DURING POST FLIGHT INSPECTION, SPRING WAS FOUND TO BE CRACKED OFF FROM GOVERNOR ARM. NEW ONE INSTJul 24, 2001 · Bolkms BO105S · Turbine GovernorSDR CA010809007Seal · deteriorated(CAN) ON LANDING AN ABNORMAL NOISE WAS HEARD FROM ENGINE COMPARTMENT. ENGINE WAS SHUT DOWN AND IT WAS DISCOVER THAT THE FORWARD COUPLER OF THE ENGINE -TRANSMISSION X HAD HEATED UP. THE SEAL HAD RUPTURED ALLOWING THE GREASE TO EXIT HEAT UP THE COUPLER AND FURTHJul 24, 2001 · Bell 206B · Engine/Transmission CouplingSDR LS1R074930Motor · noisyPART IS NOISY.Jul 20, 2001 · N5211R · Hughes 369D · Fuel Controlling SystemSDR CA010809005Turbine Blades · separated(CAN) AFTER AN INFLIGHT SHUTDOWN, THE ENGINE WAS DISMANTLED AT THE VANCOUVER SERVICE CENTRE OF STANDARD AERO. THE LOCAL TSB, ROLLS ROYCE AND CUSTOMER WERE ALL PRESENT DURING THE TEARDOWN INVESTIGATION. IN THE DISMANTLING OF THE TURBINE ASSEMBLY, THE 3RD STAGE Jul 18, 2001 · Turbine SectionSDR AUS20010893Trunnion · cracked(AUS) TAIL ROTOR TRUNNION SUSPECT CRACKED. TRUNNION GAVE A POSITIVE CRACK INDICATION USING BOTH MPI AND FPI INSPECTIONS.Jul 12, 2001 · Bell 206B3 · Tail Rotor HeadSDR CA020405024Servo · inoperative(CAN) FEEDBACK IN THE FLIGHT CONTROLS. HYDRAULIC SERVO FAILED.Jul 8, 2001 · Bell 206B · Hydraulic System, MainSDR AUS20010696Clamp · cracked(AUS) ENGINE EXHAUST STACK CLAMP LOOSE DUE TO A FRACTURE ORIGINATINGFROM THE ATTACHMENT LUG SECURING RIVET. COWLING DISCOLOURED AND BURNT.Jul 3, 2001 · Agusta 206AAGUSTA · Engine Collector/Tailpipe/NozzleSDR AUS20010675Grip · damaged(AUS) MAIN ROTOR GRIP BLADE BOLT BORES DAMAGED. INVESTIGATION FOUND THAT THE MAIN ROTOR BLADE BUFFER PAD WAS DISLODGED DURING BLADE INSTALLATION. THE BLADE BOLT WAS FORCED IN CAUSING THE EDGE OFTHE BUFFER PAD INTO THE BLADE BOLT HOLE. DAMAGE CAUSED TO BLADE BOJun 28, 2001 · Agusta 206AAGUSTA · Main Rotor HeadSDR AC2A075813Filter · deterioratedPART IS DETERIORATED. THE OUTSIDE SCREEN IS EATEN AWAY EXPOSING THE MORE COARSE SCREEN. REPLACED FILTER ASSY.Jun 28, 2001 · Turbine Engine Oil SystemSDR CA010711002Mast · damaged(CAN) WHEN REASSEMBLED 1/2 OF THE SPLIT CONE ASSEMBLY HAD NOT SEATED PROPERLY IN THE GROVE IN THE MAST. MAIN ROTOR MAST NUT TORQUE CHECK WAS CARRIED OUT AFTER 1.3 HOURS OF OPERATION AND TORQUE LOSS WAS NOTED. WHEN DISASSEMBLED AGAIN DAMAGE TO THE SPLINE WAS FOJun 25, 2001 · Bell 206B · Main Rotor Mast/SwashplateSDR ERAA074619Nozzle · misrepaired1ST STAGE NOZZLE SHIELD RET'D FROM OVERHAUL AT DALLAS AIRMOTVE, ISSUED TO AIRCRAFT BUT COULD NOT BE INSTALLED DUE TO NOT BEING WELDED ALL THE WAY AROUND.Jun 13, 2001 · N296EH · Bolkms BO105S · Fuel Injector NozzleSDR CA010726024Sprag Clutch · broken(CAN) O/R CLUTCH ASSY WAS REMOVED FOR O/H. UPON O/H INSPECTION IT WAS FOUND THAT THE SPRAG ASSY HAD ONE BROKENSPRAG. THE BROKEN PIECE WAS RECOVERED FROM INSIDE THE ASSEMBLY.Jun 6, 2001 · Hughes 369D · Engine/Transmission CouplingSDR 2001FA0000166Bearing · disintegratedSPOOL BEARING ASSEMBLY DISINTEGRATED. INNER AND OUTER RACES ARE ALL THAT REMAINS. NEARLY ALL EVIDENCE OF BALLS FROM BEARING MISSING. REASON FOR FAILURE POSSIBLY DUE TO BEARING BALL RETAINER FAILURE.May 31, 2001 · Skrsky S76 · Turbine GovernorSDR CA010627015Windshield · cracked(CAN) DURING FLIGHT F5890 FROM MADRID TO LYON, INCRUISE CO-PILOT WINDSHIELD INNER PLY CRACKED, UNSCHEDULED LANDING IN BIARRITZ. RT WINDSHIELD REPLACED. A/C RETURNED TO SERVICE.May 28, 2001 · Hughes 369D · Flight Compartment WindowsSDR CA020405009Pump · inoperative(CAN) AFT BOOST PUMP NOT FUNCTIONAL.May 24, 2001 · Bell 206B · Engine Fuel PumpSDR 20010604CW013Bearing · failedAIRCRAFT IN CRUISE FLIGHT. PILOT NOTICED THAT THE MAIN ROTOR NR 2 STARTED TO OVER SPEED. PILOT LANDED AIRCRAFT SAFELY UNDER ITS OWN POWER. AFTER INVESTIGATION CAUSE, IT WAS FOUND THAT THE ENGINE FUEL CONTROL SHAFT BEARING HAD FAILED CAUSING FUEL CONTROL TO May 20, 2001 · N6BU · Bell 206B · Fuel Control/Turbine EnginesSDR LS1R072919Exciter · unserviceableEXCITER IS UNSERVICEABLE.May 9, 2001 · N765KV · Hughes 369E · ExciterSDR AUS20010439Hose · leaking(AUS) ENGINE OIL HOSE LEAKING IN AN AREA APPROXIMATELY 100MM (4IN) FROM THE FORWARD UNION END.May 4, 2001 · Agusta 206AAGUSTA · Engine Oil Distribution (Airframe Furnished)SDR AC2A075787Governor · crackedEPOXY DEBONDED ON GOVERNOR DRIVE SHAFT. REMOVED FROM SERVICE AND SENT IN FOR WARRANTY REPAIR.May 2, 2001 · N5366Y · Bolkms BO105S · Turbine GovernorSDR CA010706014Pitch Horn · loose(CAN) DURING A DAILY INSPECTION, WE DISCOVERED THAT THE TORQUE OF THE BOLTS HOLDING THE PITCH HORN TO THE TAIL ROTOR BLADE WAS LOOSE. THE LOCKWIRE WAS STILLIN PLACE BUT THE 2 BOLTS WERE NO LONGER TORQUED.DURING THE DISMANTLING NO OTHER ANORMALITIES. THE PITCH Apr 30, 2001 · Bell 206L · Tail Rotor BladesSDR CA010523015Blade · damaged(CAN) DURING HIS DI, THE PILOT NOTICED ADHESIVE MISSING FROM ONE MAIN ROTOR BLADE ROOT FITTING. MAINTENANCE WAS ADVISED. THE BLADE WAS REMOVED AND CHECKED AS PER DN188. THE ROOT FITTING FAILED THAT INSPECTION. THE REST OF THE BLADES WERE ALSO INSPECTED AND FOUApr 26, 2001 · Hughes 369D · Main Rotor BladesSDR AC2A072838Governor · brokenPOTTING ON END OF DRIVE GEAR IS BROKEN LOOSE. REMOVED GOVERNOR.Apr 25, 2001 · N8775 · Bolkms BO105S · Turbine GovernorSDR CA010523020Spar · cracked(CAN) UPON SHOP REPAIR OF THIS STABILIZER FOR SKIN CRACKS, DOUBLER CRACKS AND LOOSE RIVETS. IT WAS OBSERVED, THAT THE AFT SPAR IS CRACKED ALMOST ALL THE WAY THROUGH, 2.5 INCHES FROM THE INBOARD END. WE ALSO SUSPECT ANOTHER CRACK AT ANOTHER LOCATION ON THE SAMEApr 24, 2001 · Hughes 369D · Horizontal Stabilizer, Spar/RibSDR KBMA88732Governor · failedWILL NOT DEVELOP FULL RPM. REMOVED AND REPLACED GOVERNOR WITH OVERHAULED, AS REQUIRED.Apr 19, 2001 · N73DP · Bell 206B · Turbine GovernorSDR CA010515008Solenoid Valve · failed(CAN) HYD BLOCK LIGHT CAME ON IN FLIGHT. PILOT RETURNED TO BASE AND CALLED OUT RESCUE CREW. LANDED WITHOUT DIFFICULTY. SOLENOID VALVE REPLACED AND AIRCRAFT RETURNED TO SERVICE ON APRIL 20. AIRCRAFT TEST FLOWN FOR 30 MINUTES AND NO FURTHER LIGHT REPORTS.Apr 19, 2001 · Bolkms BO105C · Hydraulic System, MainSDR CA020405008Nut · worn(CAN) TORQUEMETER GEARSHAFT NUT WORN.Apr 13, 2001 · Bell 206B · Turbine Engine Reduction GearSDR HEEA072464Fuel Control · malfunctionedGOING HOT AND WOULD NOT RESPOND TO ADJUSTMENTS. REPLACED WITH SERVICEABLE FUEL CONTROL.Apr 10, 2001 · N2753F · Bell 206B3 · Fuel Controlling SystemSDR HEEA072465Fuel Control · erraticINCONSISTENT STARTS. SOME STARTS NORMAL. OTHERS DELAYED AND TENDED TO HAVE HIGH TOT. REPLACED WITH SERVICEABLE FUEL CONTROL.Apr 10, 2001 · N8589X · Bell 206L3 · Fuel Controlling SystemSDR HEEA072471Fuel Control · malfunctionedSTARTS STAGNATES AT 33 PERCENT N1. RAN UNIT ON TEST BENCH AND COULD NOT DUPLICATE PROBLEM.Apr 10, 2001 · N4835 · Bell 206L3 · Fuel Controlling SystemSDR CA010423019Blade · failed(CAN) BOND VOIDS BEYOND LIMITS LOW SIDE OF BLADE. LETTER SENT FAA DATED 24 APR 01 EXPRESSING TC CONCERNS. (CADIS PROJECT REPORT20010079). CROSS REFER TO SDR 20010423018.Apr 9, 2001 · Hughes 369D · Main Rotor BladesSDR LS1R071919Pump · noisyPART IS NOISY.Apr 6, 2001 · N765KV · Hughes 369E · Engine Fuel PumpSDR CA010423006Bearing · failed(CAN) FAILURE OF ROLLER BEARING CAGE CAUSED ROLLERS TO BUNCH UP AND MISALIGN WITH RACES, SCORING RACES, ROLLERS AND HUB.FAILURE WAS DETECTED BY AN ENGINEER OBSERVING PIECES OF METAL IN THE PURGED GREASE. PRIOR TO DISASSEMBLY NO RESTRICTED MOTION WAS DETECTED, Apr 6, 2001 · Bell 206B · Main Rotor HeadSDR LS1R071914Magnetic Seal · leakingPART IS LEAKING.Apr 4, 2001 · N206BX · Bell 206B3 · Turbine Engine Reduction GearSDR LS1R071915Gearbox · leakingPART IS LEAKING.Apr 4, 2001 · N5211R · Hughes 369D · Turbine Engine Reduction GearSDR CA010423018Blade · failed(CAN) BOND VOIDS BEYOND LIMITS LOW SIDE OF BLADE. LETTER SENT TO FAA DATED 24 APR 01 EXPRESSING TRANSPORT CANADA CONCERNS.(CADIS PROJECT REPORT 20010079. (CROSS REFER TO SDR 20010423019)Apr 1, 2001 · Hughes 369D · Main Rotor BladesSDR CA010523019Compressor · failed(CAN) THE COMPRESSOR WAS FRESHLY OVERHAUL WITH A TSO OF 1.1, CSO .3 AIRCRAFT FAILED TO START. PROBLEM FOUND TO BE COMPRESSOR LOCKED UP. MANUFACTURE CALLED AND INDICATED PROBLEM TO BE POSSIBLE REAR BEARING DIFFUSOR DUE TO THE TIGHT TOLERANCES.Mar 29, 2001 · Bell 206B · Turbine Engine Compressor SectionSDR CA010405002Blade · cracked(CAN) UPPER AND LOWER SKIN CRACKED AT STN 36.5. CRACKED FROM TRAILING EDGE TOWARDS LEADING EDGE 4.25 INCHES.Mar 28, 2001 · Hughes 369D · Main Rotor BladesSDR CA010515009Tube · chafed(CAN) TUBE ASSY (XMSN) FOUND CHAFED IN VERTICAL TUNNEL. ONE OF THE CONTROL TUBES CHAFED THE TUBE WITH EVERY CONTROLLED INPUT. TUBE ASSY REPLACED.Mar 27, 2001 · Bell 206B · Rotorcraft Flight ControlSDR CA010515010Bearing · cracked(CAN) 2 TAIL ROTOR DRIVESHAFT BEARINGS HAVE GREASE HOUSINGS CRACKED. BOTH BEARINGS ROUGH, EXCESSIVE GREASE SQUEEZE OUT. BOTH BEARINGS REPLACED.Mar 27, 2001 · Bell 206B · Tail Rotor Drive ShaftSDR 20010416CW012Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N5187S · Hughes 369D · Turbine GovernorSDR 20010416CW013Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N9106Z · Hughes 369D · Turbine GovernorSDR 20010416CW014Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N5200Y · Hughes 369D · Turbine GovernorSDR 20010416CW015Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N4575Z · Hughes 369D · Turbine GovernorSDR AC2A072835Governor · debondedUNBONDED SHAFT.Mar 19, 2001 · N5366Y · Bolkms BO105S · Turbine GovernorSDR AC2A072836Governor · crackedCHECKED DRIVE COUPLING AND FOUND DEFECTIVE.Mar 19, 2001 · N8776 · Bolkms BO105S · Turbine GovernorSDR AC2A072837Governor · debondedDRIVE COUPLING DEBONDED.Mar 19, 2001 · N7131U · Bell 206B3 · Turbine GovernorSDR 20010419CW013Bearing · damagedDURING SHUTDOWN, A LOUD GRINDING AND POPPING WAS HEARD COMING FROM THE TRANSMISSION AREA. OIL COOLER BLOWER ASSY PN 369025630-101 WAS REMOVED AND DISSASSEMBLED FOR INSPECTION. THE LOWER BLOWER BEARING PN 369A5655-3 HAD FAILED. IT IS SUSPECTED THAT THE BEARMar 16, 2001 · N622PB · Hughes 369D · Rotorcraft Cooling Fan System
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