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 HEEA078767Shoe · wornTAIL SKID SHOE WELDED BEADS ARE WORN.May 6, 2002 · N408PH · Bell 407 · Auxiliary Gear (Tail Skid)SDR HEEA078766Structure · corrodedTAIL BOOM HAS CORROSION AT TOP CAP AND LOWER STRINGER MOUNT AREAS.May 6, 2002 · N467PH · Bell 407 · Rotorcraft Tail BoomSDR HEEA078765Skid · crackedTAIL SKID ASSY IS CRACKED.May 6, 2002 · N406PH · Bell 407 · Auxiliary Gear (Tail Skid)SDR HEEA078760Gps · inoperativeGPS RECEIVER HAS NO DISPLAY.May 6, 2002 · N721PH · Bell 407 · Global Positioning SystemSDR HEEA078759Tee Fitting · corrodedCORROSION BEYOND LIMITS.May 6, 2002 · N612PH · Bell 407 · Emergency Flotation SectionSDR HEEA078758Transceiver · inoperativeWOULD NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION, FOUND V101 BAD, AND R477 BAD. REPLACED. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.May 6, 2002 · N491PH · Bell 407 · ATC Transponder SystemSDR HEEA078757Transceiver · inoperativeDOES NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION AND FOUND CHANNELING KNOBS BENT AND CHANNELING INTERMITTENT. REPLACED S101 SWITCH, MHZ AND KHZ KNOBS AND WAFER SWITCHES. CLEANED CHANNELING CONTACTS ON DISPLAY BOARD. REPAIRED CHANNELING PROBLEM BUT FOUND May 6, 2002 · N402PH · Bell 407 · VHF Communications SystemSDR HEEA078756Gyro · malfunctionedDIRECTIONAL GYRO HEADING FLAP WILL NOT MOVE.May 6, 2002 · N407PH · Bell 407 · Directional Gyro and Indicating SystemSDR ALG2002F00048Cover · stripped(GEARBOX COVER) UPON DISASSEMBLY OF GEARBOX, FOUND 1 EACH STRIPPED STUD AND 2 EACH LOOSE STUDS AT 2.5 BEARING CAGE MATING SURFACE, ALSO FOUND 2 EACH STUDS AT TM SUPPORT JOURNAL LOOSE. NOTE: AT LOCATION OF STRIPPED STUD ON T.5 BEARING CAGE SURFACE, FOUND NO TMay 2, 2002 · N403AL · Bell 407 · Turbine Engine Reduction GearSDR ALG2002F00047Pinion Gear · wornUPON DISASSEMBLY OF GEARBOX. UPON DISASSEMBLY OF GEARBOX FOUND EXCESSIVE GALLING AND SPALLING AND WEAR IN GEAR TEETH AND UNEVEN WEAR AND HEAVY SPALLING OF T/M GEAR TEETH. ASSURE PROPER MESHING OF GEAR TEETH.May 2, 2002 · N403AL · Bell 407 · Turbine Engine Reduction GearSDR ALG2002F00036Floor Support · crackedDURING MAJOR INSPECTION, SEVERE CORROSION AT ALL MATING SURFACES AND ENDS OF ALL STIFFENING STRINGERS CRACKED. ALL MOUNTING FLANGES CRACKED AND CORRODED. USE PROSEAL AND PRIME THE PARTS AFTER ASSEMBLY, INSTALL DOUBLER AROUND WATER WASH FITTING TO PREVENT CRAMay 1, 2002 · N497AL · Bell 407 · Fuselage Miscellaneous StructureSDR ALG2002F00038Bearing · failedIN FLIGHT AIRCRAFT DEVELOPED EXCESSIVE VIBRATION. BEARING FAILURE. (THE BEARING WAS LUBRICATED AT AIRCRAFT TT 2920.31.)Apr 30, 2002 · N617AL · Bell 407 · Tail Rotor Drive ShaftSDR ALG2002F00037Gear · spalledGEARBOX WAS RECEIVED FOR CORRODED STUDS. UPON INITIAL VISUAL INSPECTION FOUND SPALLING PINION GEAR TEETH. EXCESSIVE SPALLING AND LIGHT GALLING ON GEAR TEETH DUE TO IMPROPER MESHING OF TM AND PINION GEARS. ASSURE PROPER MESHING OF GEAR TEETH AT FACTORY.Apr 30, 2002 · N497AL · Bell 407 · Turbine Engine Reduction GearSDR AUS20020414Bolt · failed(AUS) MAIN DRIVESHAFT, FLEXOR BOLT MISSING. INVESTIGATION FOUND THAT THE BOLT HAD FRACTURED INTO TWO PIECES.Apr 26, 2002 · Bell 407 · Engine/Transmission CouplingSDR HEEA078611Dampener · corrodedSTARTER GEN HAS A PITTED DAMPNER PLATE.Apr 26, 2002 · N498PH · Bell 407 · Starter-GeneratorSDR ALG2002F00042Gear · mismanufacturedGEARBOX WAS REMOVED DUE TO FWU BORE DAMAGE. UPON INSPECTION OF CHIP DETECTORS, FOUND METAL ON BOTH PLUGS. AFTER DISASSEMBLY FOUND EXCESSIVE GALLING ON TM AND PIINION GEARS CAUSE FOR METAL. METAL CONTAMINATION WAS GENERATED FROM UNFINISHED MACHINING OF TM GEApr 25, 2002 · N467AL · Bell 407 · Turbine Engine Reduction GearSDR ALG2002F00041Pinion Gear · galledGEARBOX WAS REMOVED DUE TO FWU BORE DAMAGE. UPON INSPECTION OF CHIP DETECTORS, FOUND METAL ON BOTH PLUGS. AFTER DISASSEMBLY FOUND EXCESSIVE GALLING ON TM AND PINION GEARS CAUSE FOR METAL. METAL CONTAMINATION WAS GENERATED FROM UNFINISHED MACHINING OF TM GEAApr 25, 2002 · N467AL · Bell 407 · Turbine Engine Reduction GearSDR R7M5342235164Indicator · inoperativeTORQUE INDICATOR UNIT INOPERATIVE. WILL NOT POWER DOWN CORRECTLY AND READS 5 PERCENT HIGHER THAN ECU. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 23, 2002 · N407SJ · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA088930Windshield · crazedWINDSHIELD CRAZED.Apr 19, 2002 · N612PH · Bell 407 · Flight Compartment WindowsSDR R7MR534223515Blade · out of balanceTAIL ROTOR BLADE HAS AN OUT OF BALANCE CONDITION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 18, 2002 · N407SJ · Bell 407 · Tail Rotor BladesSDR 2002FA0000708Gear · mismanufacturedUPON VISUAL INSPECTION OF NEW PARTS FROM STOCK, IMPROPER AND UNFINISHED MACHINING AND MESHING OF GEAR TEETH AT RADIUS.Apr 16, 2002 · Bell 407 · Turbine Engine Reduction GearSDR R7M5344635168Bearing · debondedMAIN ROTOR BEARING DEBONDING. REPLACED WITH NEW UNIT, CORRECTED.Apr 15, 2002 · N911LN · Bell 407 · Main Rotor HeadSDR HEED089184Structure · crackedCRACKED ON UPPER AFT LT SIDE OF HORIZONAL STABLIZER OPENING. REPLACE UNIT.Apr 13, 2002 · N3193E · Bell 407 · Rotorcraft Tail BoomSDR HEEA078593Connector · looseIN CRUISE FLIGHT PILOT SMELLED SOMETHING BURNING. SMELL FROM BAGGAGE COMPARTMENT. MAINTENANCE FOUND LOOSE CONNECTIONS AT STARTER RELAY TO LINE CONTROL RELAY. ARCING OCCURRED AT STARTER RELAY TERMINAL A2 AND AT LINE CONTROL RELAY TERMINAL A2 ALSO FOUND BURNEDApr 8, 2002 · N436PH · Bell 407 · Electrical Power System WiringSDR HEEA088931Windshield · crazedWINDSHIELD CRAZED.Apr 6, 2002 · N407PH · Bell 407 · Flight Compartment WindowsSDR R7M5342235163Indicator · stuckTORQUE INDICATOR INOPERATIVE, INDICATOR STUCK AT 82 PERCENT, THEN WENT TO FULL DEFLECTION, THEN WENT DEAD. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 5, 2002 · N407SJ · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA078588Pad · wornPAD AND BOLTS WORN.Apr 5, 2002 · N499PH · Bell 407 · Main Rotor BrakeSDR HEEA078586Link · wornLINK ASSY HAS WORN BUSHINGS.Apr 5, 2002 · N406PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA078585Lever · wornMAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.Apr 5, 2002 · N406PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA078584Lever · wornMAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.Apr 5, 2002 · N406PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA078583Link · wornLINK ASSY HAS WORN BUSHINGS.Apr 5, 2002 · N406PH · Bell 407 · Main Rotor ControlSDR HEEA078582Indicator · inoperativeDUAL TACHOMETER IS INOPERATIVE.Apr 5, 2002 · N407PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA078581Drive Ring · flakingDRIVE RING SET BLUE EPOXY FLAKING.Apr 5, 2002 · N417PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA078580Cover · deterioratedDETERIORATED, END CAP TORN.Apr 5, 2002 · N406PH · Bell 407 · Emergency Flotation SectionSDR HEEA078579Cover · deterioratedDETERIORATED. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#72948902.Apr 5, 2002 · N406PH · Bell 407 · Emergency Flotation SectionSDR HEEA078578Bellcrank · unbondedWASHERS UNBONDED.Apr 5, 2002 · N742PH · Bell 407 · Main Rotor HeadSDR HEEA078577Bellcrank · unbondedBELLCRANK WASHERS UNBONDED.Apr 5, 2002 · N742PH · Bell 407 · Main Rotor HeadSDR HEEA078576Hose · chafedHYDRAULIC HOSE CHAFING ON THE FIRE SLEEVE FROM THE MLG DOOR SUPPORT.Apr 5, 2002 · N494PH · Bell 407 · Hydraulic System, MainSDR HEEA078575Warning Light · illuminatedFUEL FILTER LIGHT ILLUMINATED, CHANGED FILTER AND LIGHT STILL ILLUMINATED.Apr 5, 2002 · N612PH · Bell 407 · Aircraft Fuel Filter/StrainerSDR HEEA078574Disc Pack · separatedTAIL ROTOR DISC PACK IS SEPARATED.Apr 5, 2002 · N498PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA078573Oil Cooler · cloggedENGINE OIL COOLER IS CLOGGED WITH GREASE.Apr 5, 2002 · N447PH · Bell 407 · Engine Oil CoolerSDR HEEA078563Tube · wornMAIN ROTOR TUBE HAS WORN SPOTS.Apr 5, 2002 · N721PH · Bell 407 · Main Rotor Drive SystemSDR HEEA078562Tube · wornMAIN ROTOR TUBE HAS WORN SPOTS.Apr 5, 2002 · N721PH · Bell 407 · Main Rotor Drive SystemSDR HEEA078561Cover · wornMLG EMERGENCY FLOAT COVER IS WORN AND TORN.Apr 5, 2002 · N402PH · Bell 407 · Emergency Flotation SectionSDR HEEA078560Link · wornWORN BEARING.Apr 5, 2002 · N491PH · Bell 407 · Tail Rotor Control SystemSDR HEEA078559Link · wornTAIL ROTOR LINK HAS A WORN BEARING.Apr 5, 2002 · N491PH · Bell 407 · Tail Rotor Control SystemSDR HEEA078558Link · wornTAIL ROTOR LINK HAS A WORN BEARING.Apr 5, 2002 · N404PH · Bell 407 · Tail Rotor Control SystemSDR HEEA078556Impeller · bentTAIL ROTOR BLOWER IMPELLER IS BENT.Apr 5, 2002 · N510PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA078555Rod End Bearing · wornWORN ROD END BEARING.Apr 5, 2002 · N447PH · Bell 407 · Main Rotor ControlSDR HEEA078554Switch · corrodedCORROSION ON EXTERIOR OF BOOST PUMP SWITCH.Apr 5, 2002 · N447PH · Bell 407 · Fuel Boost Pump
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