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 HEEA064306Frame · crackedFRAME CRACKED ABOVE RT TAILBOOM MOUNT BOLT HOLE. REFERENCE: DMR NR 686286.Sep 7, 1999 · N402PH · Bell 407 · Fuselage Main, FrameSDR HEEA064305Bearing · flakingSEAT HAD BLUE EPOXY COATING FLAKING. REFERENCE: DMR NR 686291.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor HeadSDR HEEA064304Link · wornLINK HAD WORN BEARINGS. REFERENCE: DMR NR 686279. REPLACEMENT PART SERIAL NUMBERS ARE NHFS-4311 AND NHFS-4459.Sep 7, 1999 · N141MA · Bell 407 · Tail Rotor Control SystemSDR HEEA064303Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3297 AND NHFS-2170. REFERENCE: DMR NR 686273. REPLACEMENT PART SERIAL NUMBERS ARE NHFS-4516 AND NHFS-4526.Sep 7, 1999 · N437PH · Bell 407 · Tail Rotor Control SystemSDR HEEA064301Link · wornLINK HAD WORN BEARINGS. REFERENCE: DMR NR 686281.Sep 7, 1999 · N407MM · Bell 407 · Tail Rotor Control SystemSDR HEEA064300Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686421.Sep 7, 1999 · N141MA · Bell 407 · Tail Rotor HeadSDR HEEA064299Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686206.Sep 7, 1999 · N407MM · Bell 407 · Tail Rotor HeadSDR HEEA064298Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686224.Sep 7, 1999 · N407PH · Bell 407 · Tail Rotor HeadSDR HEEA064297Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686384.Sep 7, 1999 · N447PH · Bell 407 · Tail Rotor HeadSDR HEEA064296Link · wornWORN BEARING. REFERENCE: DMR NR 686272.Sep 7, 1999 · N447PH · Bell 407 · Tail Rotor Control SystemSDR HEEA064295Cartridge · inoperativeINOPERATIVE WITH INTERMITTENT GRINDING NOISE. REFERENCE: DMR NR 686402.Sep 7, 1999 · N437PH · Bell 407 · Fuel Boost PumpSDR HEEA064294Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686345.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor Drive SystemSDR HEEA064293Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686345.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor Drive SystemSDR HEEA064292Indicator · lockedROTOR NEEDLE LOCKED AT 110 PERCENT. REFERENCE: DMR NR 686329.Sep 7, 1999 · N447PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA064291Indicator · inoperativeROTOR PORTION OF INDICATOR INOPERATIVE. REFERENCE: DMR NR 686380.Sep 7, 1999 · N457PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA064287Indicator · malfunctionedDROPPED TO ZERO IN-FLIGHT. REFERENCE: DMR NR 686242.Sep 7, 1999 · N721PH · Bell 407 · Engine BMEP/Torque IndicatingSDR 99ZZZX3753Indicator · malfunctionedREPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.Sep 7, 1999 · N62LH · Bell 407 · Rotor Drive Indicating SystemSDR 99ZZZX3660Indicator · intermittentFUEL PRESSURE INDICATOR HAS INTERMITTENT OPERATION. REPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.Sep 7, 1999 · N62LH · Bell 407 · Fuel Pressure IndicatorSDR HEEA063870Generator · failedGENERATOR DROPS OFF-LINE.Sep 2, 1999 · N409PH · Bell 407 · Starter-GeneratorSDR HEEA063868Brushes · wornSTARTER/GENERATOR FAILED 300-HOUR INSPECTION. BRUSHES HAD LESS THAT 1/4 LIFE.Sep 2, 1999 · N722PH · Bell 407 · Starter-GeneratorSDR HEEA063866Brushes · wornSTARTER/GENERATOR FAILED 300-HOUR INSPECTION.Sep 2, 1999 · N721PH · Bell 407 · Starter-GeneratorSDR HEEA063863Freewheel Unit · leakingLEAKING FORWARD SEAL. REFERENCE: DMR NR 686304.Aug 31, 1999 · N721PH · Bell 407 · Engine/Transmission CouplingSDR HEEA063862Main Case · wornINPUT BEARING LINER WORN DUE TO APPLICATION OF SEALANT TO INPUT FLANGE AREA CAUSING IMPROPER PINCH FIT ON TRIPLEX BEARING. REFERENCE: DMR NR 686308.Aug 31, 1999 · N141MA · Bell 407 · Main Rotor GearboxSDR HEEA063861Indicator · malfunctionedINDICATOR SHOWS TILT IN LEVEL FLIGHT. REFERENCE: DMR NR 686221.Aug 31, 1999 · N57416 · Bell 407 · Attitude Gyro and Indicating SystemSDR HEEA063756Blade · blisteredSMALL VOID ON UNDERSIDE OF BLADE NEAR TIP. BLISTER NOTED ON DAILY INSPECTION. REFERENCE: DMR NR 686382.Aug 27, 1999 · N407MM · Bell 407 · Main Rotor BladesSDR 99ZZZX4401Bearaing · making metalPILOTS REPORTED MAIN ROTOR TRANS. CHIP LIGHT CAME ON. CHIP PLUGS INSPECTED AND FOUND METAL PARTICLES ON UPPER CHIP DETECTOR. HELICOPTER FLOWN AGAIN AND AFTER A FEW HOURS, THE LIGHT CAME ON AGAIN. CHIP PLUGS INSPECTED AND FOUND METAL ON UPPER PLUG. MAST ASSAug 27, 1999 · N407LG · Bell 407 · Main Rotor Mast/SwashplateSDR 20000622SH020Seal · damagedREPLACED WITH NEW SEAL FROM BELL HELICOPTER. (X)Aug 26, 1999 · N407WH · Bell 407 · Engine/Transmission CouplingSDR HEEA063755Crosstube · corrodedCROSSTUBE CORRODED DUE TO INADEQUATE DISSIMILAR METAL PROTECTION FROM T-BOLT CLAMP. REFERENCE: DMR NR 686353.Aug 26, 1999 · N141MA · Bell 407 · Wheel/Ski/FloatSDR HEEA063754Crosstube · corrodedCROSSTUBE CORRODED DUE TO INADEQUATE DISSIMILAR METAL PROTECTION FROM T-BOLT CLAMP. REFERENCE: DMR NR 686354.Aug 26, 1999 · N510PH · Bell 407 · Wheel/Ski/FloatSDR HEEA063753Crosstube · corrodedCROSSTUBE CORRODED DUE TO INADEQUATE DISSIMILAR METAL PROTECTION FROM T-BOLT CLAMP. REFERENCE: DMR NR 686353.Aug 26, 1999 · N141MA · Bell 407 · Wheel/Ski/FloatSDR 99ZZZX4599Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND CRACK AT FORWARD SEGMENT AT THE DISC PACK, NR 3 POSITION.Aug 26, 1999 · N607AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA063751Blade · damagedLOWER POCKET WEIGHT CORROSION, VOID AT STATION 197 ON LOWER SURFACE, HOLE AT STATION 197 ON LOWER. SERIAL NUMBERS REMOVED ARE A285, A341 AND A263. REPLACEMENT PART SERIAL NUMBERS ARE A754, A650 AND A596. REFERENCE: DMR NR 686294.Aug 25, 1999 · N417PH · Bell 407 · Main Rotor BladesSDR 99ZZZX4080Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND NR 7 COUPLING CRACKED, FIRST FORWARD DISC.Aug 25, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA063747Brushes · wornBRUSHES FAILED 300 HOUR INSPECTION. INSPECTED BY ACCESSORY SHOP AND FOUND BRUSHES WERE EXCESSIVELY WORN.Aug 23, 1999 · N447PH · Bell 407 · Starter-GeneratorSDR 99ZZZX3524Disc Pack · crackedONE DISC ON AFT SIDE OF THE DISC PACK CRACKED IN HALF. INSTALLED DISC PACK S/N RNFS-2938, FOUND AT AIR LOGISTICS LLC, HOUMA BASE.Aug 21, 1999 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3527Support · crackedSUPPORT CRACKED, THIRD FROM OUTBOARD EDGE.Aug 19, 1999 · N607AL · Bell 407 · Horizontal Stabilizer StructureSDR HEEA063719Yoke · misrepairedQUESTIONABLE REPAIR AREAS FROM VENDOR. SENT TO BELL HELICOPTER TEXTRON FOR EVALUATION AND POSSIBLE REPAIR.Aug 17, 1999 · N510PH · Bell 407 · Main Rotor HeadSDR 99ZZZX3525Disc Pack · crackedDURING DAILY/50-HOUR INSPECTION, FOUND NR 3 DISC PACK AFT DISC CRACKED AT 4 LOCATIONS.Aug 17, 1999 · N457AL · Bell 407 · Tail Rotor Drive ShaftSDR CA991004022Cable · broken(CAN) CARGO HOOK EMERGENCY RELEASE CABLE BROKE. SUSPECT OUTER SHEATH BROKE FIRST AND THEN INNER CABLE BROKE. IT IS THOUGHT THAT CABLE WAS TOO SHORT. PART SENT TO MANUFACTURER FOR EVALUATION.Aug 14, 1999 · Bell 407 · Cargo CompartmentsSDR 99ZZZX3532Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND NR 7 DISC PACK CRACKED.Aug 12, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3531Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND NR 3 DISC PACK CRACKED.Aug 12, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3529Disc Pack · crackedDURING 25-HOUR AD INSPECTION, NR 7 DISC PACK CRACKED.Aug 12, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3528Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND NR 3 DISC PACK CRACKED.Aug 12, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA063311Disc Pack · crackedDISC PACK CRACKED.Aug 11, 1999 · N720PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA063304Stack · crackedEXHAUST STACK CRACKED.Aug 11, 1999 · N407PH · Bell 407 · Engine Collector/Tailpipe/NozzleSDR HEEA063282Bolt · wornBOLT WORN .011 INCH. REPLACED WITH SERVICEABLE BOLT.Aug 10, 1999 · N141MA · Bell 407 · Main Rotor GearboxSDR HEEA063281Lever · brokenLEVER BROKE ON LEFT FORWARD DOOR WHICH PREVENTED THE OUTSIDE DOOR HANDLE FROM OPENING THE DOOR.Aug 10, 1999 · N141MA · Bell 407 · DoorsSDR HEEA063280Starter · misoverhauledSTARTER/GENERATOR INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND THE WRONG TYPE BRUSHES WERE INSTALLED BY THE VENDOR AT OVERHAUL. THESE HAVE THE HARD INSERTS AND GROOVED THE COMMUTATOR.Aug 10, 1999 · N141MA · Bell 407 · Starter-GeneratorSDR HEEA063279Transceiver · failedSTAND-BY SIDE WILL NOT RETAIN FREQUENCY MEMORY.Aug 10, 1999 · N723PH · Bell 407 · VHF Communications SystemSDR HEEA063248Antenna · malfunctionedRADAR ALTIMETER ERRATIC IN-FLIGHT.Aug 9, 1999 · N720PH · Bell 407 · Ground Proximity System
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