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 HEEA0016033Amplifier · inoperativeAUDIO AMPLIFIER INOPERATIVE.Sep 11, 1998 · N720PH · Bell 407 · Audio Integrating SystemSDR HEEA0016029Valve · leakingRELIEF VALVE LEAKING.Sep 11, 1998 · N447PH · Bell 407 · Emergency Flotation SectionSDR HEEA0016018Bearing · roughTAIL ROTOR HAS ROUGH BEARING. SERIAL NUMBERS REMOVED ARE B98-1155 AND B98-1148.Sep 11, 1998 · N407MM · Bell 407 · Tail Rotor Drive SystemSDR HEEA0016014Indicator · reads highMGT INDICATOR READS 4 DEGREES HIGH.Sep 9, 1998 · N404PH · Bell 407 · Rotor Drive Indicating SystemSDR HEEA0016013Regulator · failedNO POWER FROM PIN M ON VOLTAGE REGULATOR TO TERMINAL ON STARTER/GENERATOR.Sep 9, 1998 · N457PH · Bell 407 · DC Generating SystemSDR HEEA0016012Relay · failedRELAY CAUSED GENERATOR NOT TO COME ON LINE.Sep 9, 1998 · N457PH · Bell 407 · AC Generation SystemSDR HEEA0016011Indicator · reads lowAIRSPEED INDICATOR READS LOW.Sep 9, 1998 · N57416 · Bell 407 · Airspeed/Mach IndicatorSDR HEEA0016008Rivets · looseBLOWER HOUSING HAS LOOSE RIVETS.Sep 9, 1998 · N57416 · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0016007Cover · tornFLOAT COVER TORN.Sep 9, 1998 · N467PH · Bell 407 · Emergency Flotation SectionSDR HEEA0016006Cover · tornFLOAT COVER TORN.Sep 9, 1998 · N467PH · Bell 407 · Emergency Flotation SectionSDR HEEA0016005Cover · tornLEFT AND RIGHT MIDDLE FLOAT COVERS TORN.Sep 9, 1998 · N467PH · Bell 407 · Emergency Flotation SectionSDR HEEA0016004Disk · crackedDISK COUPLING CRACKED.Sep 9, 1998 · N417PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0016003Disk · crackedDISK COUPLING CRACKED.Sep 9, 1998 · N57416 · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0016002Disk · malfunctionedTWENTY-FIVE HOUR ASB/AD NUTS TURNED DURING TORQUE CHECK.Sep 9, 1998 · N408PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0016001Disk · crackedTWO EACH DISCS CRACKED.Sep 9, 1998 · N721PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0016000Boot · deterioratedBOOT DETERIORATED, LINERS LOOSE ON TRUNNION AND BEARINGS WORN. REPAIRED.Sep 9, 1998 · N141MA · Bell 407 · Tail Rotor GearboxSDR HEEA0015999Bearing · wornFEATHERING BEARINGS WORN ON TAIL ROTOR BLADE. REPLACED WORN BEARINGS.Sep 9, 1998 · N407PH · Bell 407 · Tail Rotor BladesSDR 98ZZZX3617Blade · crackedCRACKS FOUND IN M/R BLADE TRIM TAB AREA. SUSPECT TRIM TAB BENDING TOOL.Sep 7, 1998 · N37LP · Bell 407 · Main Rotor BladesSDR 98ZZZX3616Blade · crackedCRACKS FOUND IN M/R BLADE TRIM TAB AREA. SUSPECT TRIM TAB BENDING TOOL.Sep 7, 1998 · N37LP · Bell 407 · Main Rotor BladesSDR HEEA0015977Relay · failedRELAY CAUSING GENERATOR TO DROP OFF LINE IN-FLIGHT.Sep 4, 1998 · N457PH · Bell 407 · AC Generation SystemSDR HEEA0015976Tube Assembly · chafedFUEL SYSTEM TUBE ASSY CHAFED.Sep 4, 1998 · N403PH · Bell 407 · Aircraft Fuel Distribution SystemSDR HEEA0015975Seal · leakingSEAL LEAKING ON TAIL ROTOR GEARBOX.Sep 4, 1998 · N403PH · Bell 407 · Tail Rotor GearboxSDR HEEA0015974Link · wornWORN BEARINGS ON TAIL ROTOR LINK.Sep 4, 1998 · N510PH · Bell 407 · Tail Rotor Control SystemSDR HEEA0015973Link · wornWORN BEARINGS ON TAIL ROTOR LINK.Sep 4, 1998 · N510PH · Bell 407 · Tail Rotor Control SystemSDR HEEA0015972Flywheel · out of adjust3.0 IPS MEASURED ON FORWARD BLOWER HANGER.Sep 4, 1998 · N720PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015971Link · wornWORN BEARINGS ON LINK.Sep 4, 1998 · N407PH · Bell 407 · Tail Rotor Control SystemSDR HEEA0015970Link · wornWORN BEARINGS ON LINK.Sep 4, 1998 · N407PH · Bell 407 · Tail Rotor Control SystemSDR HEEA0015969Float Cover · tornFLOAT COVER HAS TORN CAP.Sep 4, 1998 · N141MA · Bell 407 · Emergency Flotation SectionSDR HEEA0015968Hose · chafedHOSE CHAFED ON HARD PART OF FUEL LINE.Sep 4, 1998 · N437PH · Bell 407 · Aircraft Fuel Distribution SystemSDR HEEA0015967Mount · deterioratedRUBBER DELAMINTATED ON MAIN ROTOR GEARBOX MOUNT.Sep 4, 1998 · N405PH · Bell 407 · Main Rotor Transmission MountSDR HEEA0015966Indicator · failedMGT INDICATOR, INTERMITTENT; ERRATIC.Sep 4, 1998 · N406PH · Bell 407 · Rotor Drive Indicating SystemSDR HEEA0015965Valve · stickingHYDRAULIC VALVE STICKS.Sep 4, 1998 · N406PH · Bell 407 · Hydraulic System, MainSDR HEEA0015962Float Bag · leakingFLOAT BAG LEAKS.Sep 4, 1998 · N407PH · Bell 407 · Emergency Flotation SectionSDR HEEA0015958Pitch Link · wornBEARINGS WORN. BELL WAS UNABLE TO SUPPLY TRUNNION BEARING P/N 406-310-405-101, SO PHI ORDERED THE PITCH LINK ASSY P/N 406-010-413-117 INSTEAD. PHI THEN ROBBED THE BEARING OFF OF THE SERVICEABLE PITCH LINK. THE UNSERVICEABLE BEARING WAS INSTALLED ON THE SERVSep 4, 1998 · N437PH · Bell 407 · Main Rotor Drive SystemSDR HEEA0015957Pitch Link · wornBEARINGS WORN. BELL WAS UNABLE TO SUPPLY TRUNNION BEARING P/N 406-310-405-101, SO PHI ORDERED THE PITCH LINK ASSY P/N 406-010-413-117 INSTEAD. PHI THEN ROBBED THE BEARING OFF OF THE SERVICEABLE PITCH LINK. THE UNSERVICEABLE BEARING WAS INSTALLED ON THE SERSep 4, 1998 · N407MM · Bell 407 · Main Rotor ControlSDR HEEA0015956Cooler · leakingOIL COOLER LEAKING THROUGH FINS.Sep 4, 1998 · N720PH · Bell 407 · Engine Oil CoolerSDR HEEA0015955Cooler · failedENGINE OIL COOLER HAS HIGH OIL TEMPERATURE.Sep 4, 1998 · N467PH · Bell 407 · Engine Oil CoolerSDR HEEA0015954Disk · faultyLOW TORQUE ON BOLTS.Sep 4, 1998 · N402PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015953Disk · crackedONE EACH DISC CRACKED ON COUPLING DISC PACK - NR 3 FROM T/R GEARBOX.Sep 4, 1998 · N417PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0015951Bearing · corrodedBEARINGS ON TAIL ROTOR ARE WORN AND CORRODED.Sep 3, 1998 · N407MM · Bell 407 · Tail Rotor HeadSDR HEEA0015943Seal · leakingMAIN ROTOR MAST, SEAL LEAKING.Sep 1, 1998 · N402PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA0015900Hmu · failedHMU WOULD NOT GO TO IDLE.Aug 28, 1998 · N408PH · Bell 407 · Fuel Controlling SystemSDR HEEA0015897Transponder · inoperativeTRANSPONDER INOPERATIVE AND NO POWER OUT.Aug 27, 1998 · N427PH · Bell 407 · ATC Transponder SystemSDR HEEA0015855Armature · failedARMATURE CAUSING EXCESSIVE ARCHING--BURNT SPOTS ON COMMUTATOR.Aug 27, 1998 · N719PH · Bell 407 · Starter-GeneratorSDR HEEA0015801Exhaust Stack · crackedCRACKED ALONG WELD LINE ON SMALL RADIUS.Aug 26, 1998 · N405PH · Bell 407 · Engine Collector/Tailpipe/NozzleSDR HEEA0015800Indicator · inoperativeENGINE OIL PRESSURE LCD INOPERATIVE, WILL NOT TEST.Aug 26, 1998 · N457PH · Bell 407 · Engine Oil PressureSDR HEEA0015799Sleeve · wornREPLACED WORN SLEEVE FROM FREEWHEELING UNIT 406-040-500-123, SN A3174.Aug 26, 1998 · N141MA · Bell 407 · Engine/Transmission CouplingSDR HEEA0015798Gimbal Ring · wornRING BUSHINGS ARE WORN.Aug 26, 1998 · N407MM · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA0015797Link Assy · wornWORN LINK. SERIAL NUMBERS REMOVED ARE AFS-1351 AND AFS-1365.Aug 26, 1998 · N407MM · Bell 407 · Main Rotor Transmission MountSDR HEEA0015796Bushing · wornLEVER ASSEMBLY HAS WORN BUSHINGS. SERIAL NUMBERS REMOVED ARE A1708 AND A1719.Aug 26, 1998 · N407MM · Bell 407 · Main Rotor Transmission Mount
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