Allison 250-C47B
Service difficulty reports · 1,403
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 = '250C47B' 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 = '250C47B' 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 HEEA087274Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH TOT. TO BE SENT TO VENDOR FOR REPAIR.SDR HEEA087288Idler Assy · bindingMAIN ROTOR CONTROL IDLER ASSY BEARINGS BINDING. REPAIRED.SDR HEEA087289Washer · debondedBUFFER WASHER DISBONDED. TO BE SENT TO MFG.SDR HEEA087290Idler Assy · wornBELLCRANK HOUSING WORN/BEARING ROUGH. TO BE SENT TO MFG.SDR HEEA087291Bumper Block · debondedRUBBER BUMPER UNBONDED FROM BELLCRANK. TO BE SENT TO MFG.SDR HEEA087292Bolt · elongatedLONG TUBE BOLT HOLE OUT OF ROUND. TO BE SENT TO MFG.SDR HEEA087295Cone Seat · corrodedCONE SEAT HAS CORROSION AROUND CENTER LINE. TO BE SENT TO MFG.SDR HEEA087833Bracket · brokenSEAT BRACKETS BROKEN. REPLACED WITH SERVICEABLE PART.SDR HEEA087836Filter · bypassingOIL FILTER BYPASS BUTTON POPPING. REPLACED WITH SERVICEABLE PART.SDR HEEA086983Nozzle · bentFUEL NOZZEL BENT. SCRAPPED.SDR HEEA086984Nozzle · bentENGINE FUEL NOZZEL BENT. SCRAPPED.SDR HEEA086985Bleed Valve · malfunctionedBLEED VALVE PRODUCING HIGH MGT AT CRUISE. REPLACED.SDR HEEA086986Bleed Valve · inoperativeBLEED VALVE PRODUCING LOW POWER. REPLACED.SDR HEEA086987Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH MGT. REPLACED.SDR HEEA086989Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH MGT. REPLACED.SDR HEEA086990Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH TOT. REPLACED.SDR HEEA086991Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH TOT. REPLACED.SDR HEEA086992Bleed Valve · looseBLEED VALVE BODY EXCESSIVELY LOOSE. REPLACED.SDR HEEA086993Bleed Valve · inoperativeBLEED VALVE PRODUCING HIGH TOT. REPLACED.SDR HEEA086994Bleed Valve · malfunctionedANTI ICE LIGHT ILLUMINATED IN FLIGHT. REPLACED.SDR HEEA086995Valve · stuckVALVE ASSY STUCK IN OPEN POSITION. REPLACED.SDR CA030523001Stud · cracked(CAN) CRACKS FOUND AT OVERHAUL ON MAIN ROTOR HEAD.SDR 2003FA0000560Bearing · loosePILOT FOUND UPPER END OF BEARING ASSEMBLY LOOSE ON PRE-FLIGHT. UPON INSPECTION BY MECHANIC FOUND THE RUBBER AROUND UPPER BEARING CRACKED AND BEARING CRACKED AND BEARING HOUSING HAD AXIAL PLAY.SDR 2003FA0000561Relay · failedPILOT REPORTED START LIGHT WOULD NOT COME ON AND AIRCRAFT WAS UNABLE TO BE STARTED. TALKED TO PRODUCT SUPPORT AT MFG, STATED SOME 1K1 RELAYS WITHOUT A T STAMPED ON BOTTOM HAD A HIGH FAIL RATE. REPLACED RELAY WITH NEW RELAY STAMPED WITH T.SDR ALG2003F00061Pressure Switch · failedUPON TAXING OUT, THE TRANSMISSION CHIP LIGHT ILLUMINATED. THE PILOT RETURNED TO THE PAD AND LANDED AS SOON AS POSSIBLE. ON SHUT DOWN WHILE TURNING OFF FUEL BOOST PUMP CIRCUIT BREAKER SWITCHES, THE LEFT TRANSFER PUMP LIGHT DID NOT ILLUMINATE. THE MECHANIC RESDR AUS20030448Bearing · worn(AUS) TAIL ROTOR DRIVESHAFT BEARING WORN AND ROUGH IN OPERATION.BEARING GREASE EXPELLED. GREASE WAS DISCOLORED.SDR ALGA086242Bearing · roughFOUND BEARINGS ROUGH AND RATCHETING.SDR ALGA086243Bearing · defectiveFOUND BEARING DEFECTIVE, EXCESSIVE PLAY AND ROUGH/RATCHETING.SDR ALGA086244Bearing · wornFOUND BEARING TO BE WORN AND RATCHETING.SDR ALGA086247Bearing · wornFOUND UNIVERSAL BEARING WORN AND ROUGH.SDR ALGA086245Bearing · wornFOUND BEARING WORN AND RATCHETING. BEARING REPLACED BY (FIELD) MAINT.SDR ALGA086246Bearing · seizedFOUND BEARING WORN, RATCHETING AND SEIZED IN SMALL ARC OF TRAVEL. BEARING REPLACED BY (FIELD) MAINT.SDR 2003FA0000414Combust Chamber · crackedOUTER COMBUSTION CAN CRACKED 180 DEGREES AROUND FUEL NOZZLE WELD. PRIOR TO CRACK THE ENGINE WAS RATED AS A +22 MGT. THE ENGINE WAS -6 MGT WHEN CRACK WAS DISCOVERED. THE CRACK IS NOT VISIBLE TO THE PILOT DURING PREFLIGHT. AN INSPECTION MIRROR IS REQUIRED TO SESDR ALGA085884Pinion Gear · spalledDUE TO IMPROPER MESHING OF GEARS, PINION GEAR HAD EXCESSIVE SPALLING ON GEAR TEETH. REMOVED AND REPLACED.SDR ALGA085885Gear · defectiveREMOVED PTO GEAR IAW EXTEX MANDATORY BULLETIN NR T-075 REMOVED AND REPLACED.SDR CA030318019Stud · cracked(CAN) TYPICAL CRACK FOUND AT OVERHAUL OF MAIN ROTOR HEAD.SDR ALGA084684Bearing · spalledFOUND #3 BEARING SEPARATOR MISSING. BEARING FAILURE CAUSED METAL IN OIL.SDR ALGA084685Bearing · spalledFOUND NR 4 BEARING SEPARATOR BROKEN IN PIECES. BEARING FAILURE CAUSED METAL IN OIL.SDR ALGA084686Pinion Gear · wornFOUND PINION GEARS SHOWING HEAVY WEAR ON DRIVE SIDE. THIS IS A REOCCURRING EVENT.SDR ALGA084128Coupling · gougedFOUND GOUGES ON CROWNS OF SPLINES OF N1 COUPLING, NEAR ADAPTER MATING SURFACE.SDR ALG2003F00025Fadec · failedDURING FLIGHT, FIVE MILES FROM DESTINATION PLATFORM, ENGINE CHIP LIGHT ILLUMINATED, DURING FINAL APPROACH TO THE PLATFORM APPROXIMATELY 75 TO 100 FEET THE FADEC FAULT, FADEC MANUAL, FADEC FAIL, RESTART FAULT AND AUTO RELIGHT ILLUMINATED WITH FADEC FAIL AUDIO ASDR ALGA084097Combust Chamber · crackedCRACKED. EXCESSIVE CORROSION ON ARMPIT AT PATCH AREA, POSSIBLY CAUSED BY BRAZE FILLER MATERIAL. CRACK FOLLOWS WELD SEAM AND EXTENDS INTO PATCH. SCRAPPED PART. HOLDING FOR FINAL DISPOSITION.SDR ALG2003F00022Line · leakingDURING POST FLIGHT. DURING POST FLIGHT PILOT NOTICED EXCESSIVE AMOUNT OF RESIDUAL OIL ON THE LEFT SIDE OF THE FUSELAGE, THE MECHANIC FOUND THE T/R HYDRAULIC RETURN LINE (B) NUT WAS CRACKED, HE REMOVED AND REPLACED THE LINE. AIRCRAFT WAS LEAK CHECKED AND RETUSDR ALG2003F0218Channel · crackedDURING DAILY INSPECTION, 3 INCH CRACK IN RADIUS OF CHANNEL, WAS FOUND. CRACK STARTS BOTTOM OF CHANNEL AND GOES UP 3 INCHES JUST ABOVE RECEPTACLE DOUBLER. C/A: INSTALL STAINLESS STEEL DOUBLER.SDR HEEA083745Nozzle · bentENGINE NOZZLE BENT. SCRAPPED.SDR HEEA083770Engine · overspeedENGINE OVERSPEED. REPLACED WITH SERVICEABLE ENGINE.SDR HEEA083771Engine · making metalENGINE MAKING METAL. REPLACED WITH SERVICEABLE ENGINE.SDR HEEA083772Engine · making metalENGINE MAKING METAL. REPLACED WITH SERVICEABLE ENGINE.SDR HEEA083773Engine · damagedENGINE HAS A HOLE IN LEFT HAND COMPRESSOR ARM PIT. REPLACED WITH SERVICEABLE ENGINE.SDR HEEA083547Clip · corrodedENGINE INNER CLIP RUSTED. SCRAPPED.
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