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 ALGA087896Pinion Gear · galledENGINE REMOVED DUE TO METAL IN OIL. CAUSE FOUND TO BE GALLING ON PINION GER TEETH. REMOVED AND REPLACED PINION GEAR.Jul 1, 2003 · N547AL · Bell 407 · Accessory GearboxesSDR HEEA088028Pressure Switch · stuckFUEL PRESSURE SWITCH STICKS CLOSED. REPLACED SWITCH.Jun 30, 2003 · N467PH · Bell 407 · Aircraft Fuel Distribution SystemSDR HEEA088003Frahm · brokenFRAHM ASSY HAS A SPRING BROKEN. REPLACED WITH SERVICEABLE PART.Jun 28, 2003 · N494PH · Bell 407 · Main Rotor HeadSDR CYX2003F00001Transducer · inaccuratePILOT STARTED HELICOPTER AND NOTICED HIGH MAIN TRANSMISSION OIL PRESSURE. HELICOPTER SHUT DOWN. WITH ROTOR STOPPED TRANS OIL PRESSURE STILL READ 40-50 PSI. OIL PRESSURE TRANSDUCER WAS CHANGED AND OIL PRESSURE WAS BACK TO NORMAL.Jun 27, 2003 · N407LG · Bell 407 · Engine Oil PressureSDR HEEA088005Bearing · wornMAIN ROTOR SPRING ASSY HAS A WORN BEARING. REPLACED WITH SERVICEABLE PART.Jun 27, 2003 · N499PH · Bell 407 · Main Rotor Transmission MountSDR HEEA088001Bellcrank · wornTAIL ROTOR CONTROL BELLCRANK HAS A WORN SLEEVE. REPLACED WITH SERVICEABLE PART.Jun 27, 2003 · N499PH · Bell 407 · Tail Rotor Control SystemSDR HEEA088000Bellcrank · wornTAIL ROTOR CONTROL BELLCRANK BOLT HOLE WORN (OUT OF ROUND). REPLACED WITH SERVICEABLE PART.Jun 27, 2003 · N498PH · Bell 407 · Tail Rotor Control SystemSDR HEEA087997Tube · defectiveTAIL ROTOR CONTROL TUBE BEARING DEFECTIVE. REPLACED WITH SERVICEABLE PART.Jun 27, 2003 · N498PH · Bell 407 · Tail Rotor Control SystemSDR HEEA087996Bearing · defectiveTAIL ROTOR LINK BEARING DEFECTIVE. REPLACED WITH SERVICEABLE PART.Jun 27, 2003 · N498PH · Bell 407 · Tail Rotor Control SystemSDR HEEA088023Window · damagedPAX DOOR HAS A HOLE IN WINDOW. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N499PH · Bell 407 · Door WindowsSDR HEEA088022Window · crackedLT AFT DOOR WINDOW CRACKED. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N496PH · Bell 407 · Door WindowsSDR HEEA088017Bottle · leakingEMERGENCY FLOAT BOTTLE LEAKED DOWN TO ZERO. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N740PH · Bell 407 · Emergency Flotation SectionSDR HEEA088016Headrest · damagedDISSENGAGE PINS WILL NOT DISSENGAGE FOR HEADREST ADJUSTMENT. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N491PH · Bell 407 · Flight Compartment EquipmentSDR HEEA088004Frahm · vibrationFRAHM ASSY HAS ONE PER REV VIBRATION. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N723PH · Bell 407 · Main Rotor HeadSDR HEEA087995Pin · wornMAIN ROTOR PIN WORN. REPLACED WITH SERVICEABLE PART.Jun 26, 2003 · N723PH · Bell 407 · Main Rotor HeadSDR ALG2003F00098Indicator · malfunctionedON TAKE OFF, DURING CLIMB THE TORQUE INDICATION WENT TO 103 PERCENT FOR 3-5 SECONDS AND (CHECK) INSTRUMENT LIGHT ILLUMINATED. TORQUE WAS REDUCED TO 93 PERCENT WITH MGT OF 650 DEGREES. CLIMB SPEED WAS 500 FPM, AIRCRAFT WAS RETURNED TO BASE. THE MECHANIC TROUJun 25, 2003 · N507AL · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA088024Gyro · precessesGYRO PRECESSING. UPON REMOVAL HEARD PART RATTLING INSIDE. REPLACED WITH SERVICEABLE PART.Jun 25, 2003 · N467PH · Bell 407 · Directional Gyro and Indicating SystemSDR ALGA087765Universal · bindingUNIVERSAL WORN, RATCHETY, AND BINDING. REMOVED AND REPLACED.Jun 25, 2003 · N557AL · Bell 407 · Main Rotor HeadSDR ALGA087760Bearing · failedTAIL ROTOR TRANSMISSION REMOVED FOR METAL IN OIL, FOUND BEARING BREAKING DOWN. SUBMITTED BY: PRESTON BARZAREJun 25, 2003 · N687AL · Bell 407 · Tail Rotor GearboxSDR HEEA087851Case · corrodedTRANSMISSION ASSY HAS CORROSION AT LOWER CASE MATING FLANGE. REPLACED WITH SERVICEABLE PART.Jun 24, 2003 · N406PH · Bell 407 · Main Rotor GearboxSDR ALGA087748Universal · roughUNIVERSAL BEARING WORN, RATCHETY, ROUGH AND BINDING. REMOVED AND REPLACED.Jun 24, 2003 · N477AL · Bell 407 · Main Rotor HeadSDR HEEA088025Bolt · corrodedENGINE MOUNT BOLT CORRODED DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.Jun 23, 2003 · N491PH · Bell 407 · Engine Mount SectionSDR HEEA088012Window · crazedPAX DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 23, 2003 · N491PH · Bell 407 · Flight Compartment WindowsSDR HEEA088011Window · crazedLITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 23, 2003 · N491PH · Bell 407 · Flight Compartment WindowsSDR HEEA088010Window · crazedCREW DOOR WINDOW CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 23, 2003 · N491PH · Bell 407 · Door WindowsSDR HEEA087837Battery · burnedBATTERY CELL BURNED ON CHARGE. REPLACED WITH SERVICEABLE PART.Jun 23, 2003 · N721PH · Bell 407 · Battery/Charger SystemSDR HEEA088009Window · crazedCRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Door WindowsSDR HEEA088008Window · crazedLITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Passenger Compartment WindowsSDR HEEA088007Chin Bubble · crazedRIGHT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Flight Compartment WindowsSDR HEEA088006Chin Bubble · crazedLEFT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Flight Compartment WindowsSDR HEEA087999Idler Assy · damagedMAIN ROTOR IDLER ASSY BEARING OUTER RACE TURNING IN IDLER. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Main Rotor ControlSDR HEEA087998Idler Assy · ratchetingMAIN ROTOR CONTROL IDLER ASSY HAS BEARINGS RATCHETY. REPLACED WITH SERVICEABLE PART.Jun 22, 2003 · N491PH · Bell 407 · Main Rotor ControlSDR HEEA088020Window · crazedCOCKPIT WINDOW CRAZED. REPLACED WITH SERVICEABLE PART.Jun 21, 2003 · N491PH · Bell 407 · Flight Compartment WindowsSDR HEEA088018Disc Pack · crackedTAIL ROTOR DISC PACK CRACKED. REPLACED WITH SERVICEABLE PART.Jun 21, 2003 · N402PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA088002Cone · peelingMAIN ROTOR HEAD LOWER CONE HAS TEFLON COATING PEELING OFF OF INNER RACE. REPLACED WITH SERVICEABLE PART.Jun 21, 2003 · N491PH · Bell 407 · Main Rotor HeadSDR HEEA087846Blade · damagedUNABLE TO TRACK. REPLACED WITH SERVICEABLE PART.Jun 21, 2003 · N498PH · Bell 407 · Main Rotor BladesSDR HEEA087845Blade · damagedBLADE CLIMBS IN FLIGHT; UNABLE TO TRACK. REPLACED WITH SERVICEABLE PART.Jun 21, 2003 · N498PH · Bell 407 · Main Rotor BladesSDR ALG2003F00066Hmu · leakingDURING REFUELING. AFTER A/C WAS REFUELED OFFSHORE AT WC-560. THE MECHANIC NOTICED A STEADY FLOW OF FUEL FROM THE OVERFLOW DRAIN LINE. HE INSPECTED THE LEAK AND FOUND THE HMU LEAKING. HE REMOVED AND REPLACED THE HMU AND COMPLIED WITH A LEAK CHECK AND AIRCRAJun 20, 2003 · N687AL · Bell 407 · Fuel Controlling SystemSDR HEEA088015Leg Assy · wornENGINE MOUNT LEG ASSY HAS A HOLE WALLED OUT OF LIMITS. REPLACED WITH SERVICEABLE PART.Jun 20, 2003 · N491PH · Bell 407 · Engine Mount SectionSDR HEEA088014Bearing · wornENGINE BIPOD MOUNT HAS WORN BEARINGS. REPLACED WITH SERVICEABLE PART.Jun 20, 2003 · N491PH · Bell 407 · Engine Mount SectionSDR HEEA087994Tube · corrodedCORROSION DAMAGED BEYOND LIMITS DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.Jun 20, 2003 · N491PH · Bell 407 · Tilt Rotor Flight ControlSDR HEEA087835Bleed Valve · failedBLEED VALVE MAKING ENGINE RUN HOT. REPLACED WITH SERVICEABLE PART.Jun 20, 2003 · N406PH · Bell 407 · Compressor Bleed ValveSDR HEEA088026Magnetic Seal · leakingTRANSMISSION INPUT SEAL LEAKING. REPLACED MAG SEAL 206040156001 DUE TO PITTING. REPAIRED.Jun 19, 2003 · N493PH · Bell 407 · Main Rotor GearboxSDR HEEA088019Disc Pack · crackedTAIL ROTOR DISC PACK CRACKED. REPLACED WITH SERVICEABLE PART.Jun 19, 2003 · N467PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA088013Crosstube · wornMLG CROSSTUBE T-BOLT WORN. REPLACED WITH SERVICEABLE PART.Jun 19, 2003 · N491PH · Bell 407 · Main Landing Gear Strut/Axle/TruckSDR HEEA087992Cover · tornTORN VELCRO ON END CAP. REPLACED COVER.Jun 19, 2003 · N499PH · Bell 407 · Emergency Flotation SectionSDR HEEA087862Crosstube · corrodedMLG CROSSTUBE HAS CORROSION DUE TO IMPROPER PROTECTION DURING MANUFACTURING PROCESS NEAR STRAP ASSY. REPLACED WITH SERVICEABLE PART.Jun 19, 2003 · N8595X · Bell 407 · Main Landing Gear Strut/Axle/TruckSDR HEEA087827Transponder · failedATC TRANSPONDER FAILS; LOW POWER. REPLACED WITH SERVICEABLE PART.Jun 18, 2003 · N496PH · Bell 407 · ATC Transponder SystemSDR HEEA087843Universal · wornMAIN ROTOR UNIVERSAL WORN. REPLACED WITH SERVICEABLE PART.Jun 18, 2003 · N407PH · Bell 407 · Main Rotor Drive SystemSDR HEEA087829Cartridge · failedLEFT BOOST LIGHT ILLUMINATED. REPLACED WITH SERVICEABLE PART.Jun 18, 2003 · N406PH · Bell 407 · Fuel Boost Pump
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