Bell 407

Service difficulty reports · 6,813

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 aircraft_model_key = '407'
  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 HEEA0015188Disk Coupling · crackedDISK COUPLING CRACKED.Jul 13, 1998 · N467PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015187Bearing · roughTAIL ROTOR BEARINGS ROUGH.Jul 13, 1998 · N405PH · Bell 407 · Tail Rotor Drive SystemSDR HEEA0015186Pack Disk · crackedCRACKED TAIL ROTOR DRIVE SHAFT COUPLING PACK DISK.Jul 13, 1998 · N57416 · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015185Line · leakingMAIN OIL LINE TO ENGINE LEAKING.Jul 13, 1998 · N437PH · Bell 407 · Engine Oil Distribution (Airframe Furnished)SDR HEEA0015184Trunnion · wornTRUNNION WORN, ALSO SEAL P/N B56-40-2 LEAKING AND BOOT P/N 406-312-106-101 DETERIORATED DUE TO OIL SATURATION.Jul 13, 1998 · N447PH · Bell 407 · Tail Rotor Control SystemSDR HEEA0015183I D Plate · missingSTARTER/GENERATOR REMOVED FOR 300 HOUR INSPECTION. FOUND THERE WAS NO BELL HELICOPTER PART NUMBER 206-062-200-112 ON THE I.D. PLATE. AS PER BELL, PART NUMBER 23081-018 ALONE IS NOT AUTHORIZED FOR THEIR 407 AIRCRAFT.Jul 13, 1998 · N404PH · Bell 407 · Placards and MarkingsSDR HEEA0015182Oil Cooler · leakingOIL COOLER CORE LEAKING.Jul 13, 1998 · N467PH · Bell 407 · Engine Oil CoolerSDR HEEA0015180Bearing · wornTAIL ROTOR BEARING WORN.Jul 13, 1998 · N457PH · Bell 407 · Tail Rotor BladesSDR HEEA0015179Mount · separatedMAIN ROTOR GEARBOX MOUNT SEPARATED BEYOND LIMITS.Jul 13, 1998 · N403PH · Bell 407 · Main Rotor Transmission MountSDR HEEA0015178Beam · wornBEAM ASSY CHAFED BEYOND LIMITS.Jul 13, 1998 · N403PH · Bell 407 · Main Rotor Drive SystemSDR HEEA0015177Switch · stickingPRESSURE SWITCH STICKS IN OPEN POSITION.Jul 13, 1998 · N405PH · Bell 407 · Main Rotor GearboxSDR HEEA0015176Mount · damagedRUBBER ON MOUNT COMING LOOSE.Jul 13, 1998 · N447PH · Bell 407 · Tail Rotor HeadSDR HEEA0015175Indicator · failedROTOR TACHOMETER FAILED.Jul 13, 1998 · N406PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA0015174Clock · failedCLOCK WILL NOT STAY READABLE.Jul 13, 1998 · N406PH · Bell 407 · Independent InstrumentsSDR HEEA0015173Indicator · fluctuatingTRANS OIL PRESSURE INDICATOR FLUCTUATES DOWN TO ZERO AND BACK UP.Jul 13, 1998 · N417PH · Bell 407 · Main Rotor GearboxSDR HEEA0015162Blade · voidVOID AT STATION 144 ON UPPER SURFACE.Jul 13, 1998 · N467PH · Bell 407 · Main Rotor BladesSDR HEEA0015161Bearing · wornROTOR BEARINGS WORN.Jul 13, 1998 · N141MA · Bell 407 · Tail Rotor HeadSDR HEEA0015159Bearing · roughROUGH BEARINGS. SERIAL NUMBERS REMOVED ARE G97-1595 AND G97-1570. REPLACEMENT PART SERIAL NUMBERS ARE E98-2393 AND E98-2415.Jul 13, 1998 · N408PH · Bell 407 · Rotorcraft Cooling Fan SystemSDR 98ZZZX3097Bearing · galledENGINE REMOVED FROM AIRCRAFT FOR CHIP LIGHT. UPON INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON T/M JOURNAL INNER RACE AND ROLLERS. EXCESSIVE GALLING ON T/M JOURNAL BEARIANG INNER RACE AND ROLLERS.Jul 13, 1998 · N437AL · Bell 407 · Turbine Engine Reduction GearSDR 98ZZZX3096Nozzle · failedTURBINE AND FUEL NOZZLE SENT TO SHOP FOR ENGINE MAKING METAL. REMOVED FUEL NOZZLE FROM COMBUSTION SECTION AND FOUND HEAVY CARBON BUILD-UP ON BOTTOM OF SHROUD HOUSING AND ALSO CARBON BUILD-UP INSIDE COMBUSTION LINER. FUEL NOZZLE WAS SHIMMED AT .341 INCH. CARJul 13, 1998 · N437AL · Bell 407 · Fuel Injector NozzleSDR 98ZZZX3360Seal · failedENGINE WAS REMOVED FOR MAKING METAL. REMOVED NR 5 BEARING AND FOUND METAL IN BEARING CAVITY. REMOVED NR 5 BEARING FOR INSPECTION AND FOUND METAL SLIVERS UNDER NR 5 BEARING NUT AND CAP LOCK WASHER.Jul 2, 1998 · N477AL · Bell 407 · Turbine SectionSDR 98ZZZX3355Disc · crackedSCHEDULED INSPECTION FOUND T/R DISC PACK CRACKED.Jul 2, 1998 · N477AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3354Disc · crackedSCHEDULED INSPECTION FOUND DISC PACK CRACKED.Jul 2, 1998 · N547AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3353Disc · crackedSCHEDULED INSPECTION FOUND NR 7 SHAFT DISC PACK CRACKED.Jul 2, 1998 · N547AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3352Disc · crackedSCHEUDLED INSPECTION FOUND DISC PACK CRACKED.Jul 2, 1998 · N417AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3351Disc · corrodedSCHEDULED INSPECTION FOUND CORROSION AND COUPLING (PACK) SEPARATED WHEN BOLTS ARE TORQUED.Jul 2, 1998 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3350Bearing · failedSCHEDULED INSPECTION FOUND NR 2 DRIVE SHAFT BEARING ROUGH AND NOISY.Jul 2, 1998 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3349Disc · crackedSCHEDULED INSPECTION FOUND DISC COUPLING CRACKED.Jul 2, 1998 · N427AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX3098Disc Pack · crackedSCHEDULED INSPECTION FOUND DISK PACK CRACKED.Jul 2, 1998 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX2886Link Assy · failedDRIVE LINK LOWER STUD SHEARED DUE TO CRACK/CORROSION. REMOVED DRIVE LINK P/N 406-010-426-101, S/N A-FS1399. INSTALLED S/N A-FS1777 TTO NEW DRIVE LINK.Jul 1, 1998 · N407JR · Bell 407 · Main Rotor Drive SystemSDR 98ZZZX2582Bearing · galledUPON DISASSEMBLY AND INSPECTION OF PARTS, FOUND T/M JOURNAL BEARING WITH EXCESSIVE GALLING ON END OF ROLLERS AND DEEP BANDING DOWN MIDDLE OF ROLLERS. EXCESSIVE GALLING AND BANDING OF T/M JOURNAL BEARING GALLING ON ROLLERS WAS ONLY TO OUTER PART OF ROLLERS ANDJul 1, 1998 · N567AL · Bell 407 · Turbine Engine Reduction GearSDR HEEA0015072Brake · wornMAIN ROTOR BRAKE WEAK AND WORN.Jun 30, 1998 · N405PH · Bell 407 · Main Rotor BrakeSDR HEEA0015037Transmitter · erraticERRATIC M/R INDICATIONS.Jun 26, 1998 · N406PH · Bell 407 · Rotor Drive Indicating SystemSDR HEEA0015036Frahm Assembly · failedM/R VIBRATION.Jun 26, 1998 · N457PH · Bell 407 · Main Rotor HeadSDR HEEA0015035Fadec Horn · defectiveFADEC HORN WEAK AND INAUDIBLE WITH ENGINE RUNNING.Jun 26, 1998 · N408PH · Bell 407 · Fuel Controlling SystemSDR HEEA0015034Indicator · erraticENGINE NG LCD DISPLAY ERRATIC.Jun 26, 1998 · N407MM · Bell 407 · Engine RPM Indicating SystemSDR HEEA0015033Regulator · faultyENGINE OIL TEMPERATURE EXCEEDED 120 DEGREES.Jun 26, 1998 · N141MA · Bell 407 · Engine Oil Temperature RegulatorSDR HEEA0015032Transmitter · faultyAMMETER GOES FROM MAX TO ZERO AND BACK REPEATEDLY WITH NO GENERATOR LIGHT OR CHANGE IN VOLTMETER.Jun 26, 1998 · N57416 · Bell 407 · Fuel Pressure IndicatorSDR HEEA0015031Cooler · leakingENGINE OIL COOLER LEAKING.Jun 26, 1998 · N141MA · Bell 407 · Engine Oil CoolerSDR HEEA0015030Coupling · crackedTAIL ROTOR COUPLING CRACKED.Jun 26, 1998 · N402PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015029Coupling · crackedTAIL ROTOR COUPLING CRACKED.Jun 26, 1998 · N427PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015028Coupling · crackedTAIL ROTOR COUPLING CRACKED.Jun 26, 1998 · N57416 · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015027Coupling · crackedFOUND CRACKED DISC IN COUPLING BETWEEN HORIZONTAL STABILIZER AND T/R GEARBOX.Jun 26, 1998 · N141MA · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015026Retainer · mismanufacturedTAIL ROTOR RETAINER WOULD NOT FIT ON NUT P/N NAS577B4A.Jun 26, 1998 · N427PH · Bell 407 · Tail Rotor HeadSDR HEEA0015025Bearing · wornTAIL ROTOR BEARING EXCESSIVELY WORN.Jun 26, 1998 · N427PH · Bell 407 · Tail Rotor HeadSDR HEEA0015023Exhaust Stack · crackedENGINE EXHAUST STACK IS CRACKED.Jun 24, 1998 · N427PH · Bell 407 · Engine Collector/Tailpipe/NozzleSDR HEEA0015022Rotor Brake · leakingMAIN ROTOR BRAKE IS OIL SOAKED AND LEAKING.Jun 24, 1998 · N427PH · Bell 407 · Main Rotor BrakeSDR HEEA0015021Rotor Brake · missing partsMAIN ROTOR BRAKE PADS MISSING.Jun 24, 1998 · N427PH · Bell 407 · Main Rotor BrakeSDR HEEA0015020Indicator · failedDUAL TACHOMETER FAILED SELF-TEST, NEEDLE SPLITS, WILL NOT ZERO.Jun 24, 1998 · N407PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA0015019Hub Bushing · wornHUB BUSHINGS WORN.Jun 24, 1998 · N447PH · Bell 407 · Main Rotor Mast/Swashplate
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