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 HEEA062840Filter · cloggedENGINE OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N437PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA062839Filter · cloggedENGINE OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N510PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA062838Filter · cloggedENGINE OIL FILTER BYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N437PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA062837Filter · cloggedENGINE OIL FILTER BYPASS BUTTON POPPED AFTER RESETTING TWICE. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N724PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA062836Transducer · malfunctionedTRANSDUCER CAUSED FADEC DEGRADE LIGHT TO ILLUMINATE. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N720PH · Bell 407 · Fuel Controlling SystemSDR HEEA062835Valve · intermittentENGINE ANTI-ICE ON WARNING LIGHT COMES ON INTERMITTENTLY. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N467PH · Bell 407 · Airfoil Anti/De-ice SystemSDR HEEA062834Sensor · failedN2 SENSOR CAUSING FADEC DEGRADE LIGHT. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N407MM · Bell 407 · Fuel Control/Turbine EnginesSDR HEEA062802Altimeter · inaccurateRADAR ALTIMETER HAD INACCURATE READINGS AND FRAME PLATE BROKEN.Jul 12, 1999 · N720PH · Bell 407 · Altimeter, Barometric/EncoderSDR 99ZZZX3089Bearing · looseDURING DAILY INSPECTION, FOUND BEARING LOOSE IN HOUSING. EXCESSIVE AXIAL PLAY.Jul 12, 1999 · N407AK · Bell 407 · Main Rotor ControlSDR 99ZZZX3088Link · wornMECHANIC FOUND WORN BEARINGS, WHILE C/W DAILY INSPECTION, DUE TO STAKING OF BEARING OR PREMATURE WEAR (ON 2 EACH PC LINKS).Jul 12, 1999 · N517R · Bell 407 · Tail Rotor Control SystemSDR 99ZZZX3087Bleed Valve · loosePILOT REPORTED 40 DEGREE HIGHER TEMPERATURE THAN NORMAL CAUSING LOW POWER TREND READINGS AND CRUISE FLIGHT TEMP EXCEEDING GREEN ARC. INSPECTION REVEALED HOUSING LOOSE DUE TO MOUNTING BOLTS LOSING TORQUE.Jul 12, 1999 · N517R · Bell 407 · Compressor Bleed ValveSDR HEEA062742Cartridge · inoperativeCARTRIDGE INOPERATIVE. REFERENCE: DMR NR 686155.Jul 8, 1999 · N722PH · Bell 407 · Fuel Boost PumpSDR HEEA062741Mount · deterioratedMAIN ROTOR GEARBOX RUBBER MOUNT DETERIORATED.Jul 8, 1999 · N404PH · Bell 407 · Main Rotor Transmission MountSDR HEEA062740Panel · crackedDOOR CRACKED. REFERENCE: DMR NR 686169.Jul 8, 1999 · N437PH · Bell 407 · Passenger/Crew DoorsSDR HEEA062739Panel · crackedDOOR CRACKED. REFERENCE: DMR NR 686168.Jul 8, 1999 · N437PH · Bell 407 · Passenger/Crew DoorsSDR HEEA062738Cap Seal · leakingCAP LEAKING. REFERENCE: DMR NR 686163.Jul 8, 1999 · N408PH · Bell 407 · Main Rotor Drive SystemSDR HEEA062736Cover · wornFLOAT COVER WORN. REFERENCE: DMR NR 686160.Jul 8, 1999 · N402PH · Bell 407 · Emergency Flotation SectionSDR HEEA062735Cover · wornFLOAT COVER WORN. REF: DMR NR 686159.Jul 8, 1999 · N402PH · Bell 407 · Emergency Flotation SectionSDR HEEA062734Cover · wornFLOAT COVER WORN. REFERENCE: DMR NR 686161.Jul 8, 1999 · N407PH · Bell 407 · Emergency Flotation SectionSDR HEEA062732Brushes · wornSTARTER/GENERATOR BRUSHES WERE EXCESSIVELY WORN.Jul 8, 1999 · N723PH · Bell 407 · Starter-GeneratorSDR HEEA062730Brushes · wornSTARTER/GENERATOR BRUSHES WERE EXCESSIVELY WORN AND COMMUTATOR WAS GROOVED.Jul 8, 1999 · N402PH · Bell 407 · Starter-GeneratorSDR 99ZZZX2703Indicator · malfunctionedFUEL PRESSURE INDICATOR INTERMITTENT. REPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.Jul 8, 1999 · N175P · Bell 407 · Fuel Pressure IndicatingSDR 99ZZZX3341Bearing · roughFOUND HOUSING, 206-061-432-116, CRACKED AND WORKING RIVETS. FOUND 2 EACH BEARINGS, 407-340-339-103, ROUGH. TT 146.8 HOURS. FOUND SHAFT 407-040-320-101 SPLINES WORN. TT 1,234.4 HOURS.Jul 1, 1999 · N407AL · Bell 407 · Tail Rotor Drive SystemSDR 99ZZZX3340Housing · crackedFOUND HOUSING, 206-061-432-116, CRACKED AND WORKING RIVETS. FOUND 2 EACH BEARINGS, 407-340-339-103, ROUGH. TT 146.8 HOURS. FOUND SHAFT 407-040-320-101 SPLINES WORN. TT 1,234.4 HOURS.Jul 1, 1999 · N407AL · Bell 407 · Tail Rotor Drive SystemSDR 99ZZZX3031Disc Pack · crackedDURING PHASE INSPECTION, DISC PACK CRACKED.Jun 26, 1999 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3030Disc Pack · crackedDURING PHASE INSPECTION, DISC PACK CRACKED.Jun 26, 1999 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3349Support · misinstalledSUPPORT MISINSTALLED.Jun 24, 1999 · N627AL · Bell 407 · Rotorcraft Tail BoomSDR 99ZZZX3351Crosstube · corrodedCORROSION FOUND UNDER SUPPORT AND CLAMPS DUE POSSIBLY TO IMPROPER TREATMENT DURING MANUFACTURING AND/OR MATERIAL DEFECT.Jun 22, 1999 · N587AL · Bell 407 · Main Landing Gear Strut/Axle/TruckSDR 99ZZZX3213Disc Pack · crackedDURING 25-HOUR INSPECTION, AD 97-24-17. COUPLING DISC CRACKED.Jun 22, 1999 · N607AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3028Disc Pack · crackedDURING RECURRING INSPECTION OF AD 97-24-17, ONE OUTBOARD DISC IN THE DISC PACK IS CRACKED. SUBMITTER STATED THIS IS THE SECOND CRACKED NEW STYLE DISC PACK IN 50 HOURS.Jun 22, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX2557Indicator · failedDUAL TACHOMETER REPLACED WITH NEW FROM BELL HELICOPTER.Jun 22, 1999 · N407SD · Bell 407 · Engine RPM Indicating SystemSDR 99ZZZX2553Actuator · failedACTUATOR REPLACED WITH NEW FROM BELL HELICOPTER .Jun 21, 1999 · N407SD · Bell 407 · Rotorcraft Servo SystemSDR HEEA062550Float · leakingLEFT FLOAT BAG SEEPING FROM SEAM IN FORWARD AS MARKED.Jun 18, 1999 · N402PH · Bell 407 · Emergency Flotation SectionSDR HEEA062549Solenoid Valve · leakingSEEPING FROM SOLENOID VALVE HEAD.Jun 18, 1999 · N402PH · Bell 407 · Emergency Flotation SectionSDR 99ZZZX3029Disc Pack · crackedDURING RECURRING INSPECTION OF AD 97-24-17, BOTH OUTBOARD DISCS IN THE DISC PACK ARE CRACKED. SUBMITTER STATED THIS IS THE FIRST OCCURRENCE WITH THE NEW STYLE DISC PACKS.Jun 13, 1999 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX3294Disk Pack · brokenINSPECTING HELICOPTER PER AD 97-22-15. FOUND MOST FORWARD POSITION DISK PACK WITH ONE BROKEN DISK. REPLACED DAMAGED PARTS.Jun 11, 1999 · N1116H · Bell 407 · Tail Rotor Drive ShaftSDR HEEA062543Adapter · crackedREMOVED DURING OVERHAUL AND NDT PROCEDURE. CRACKS WERE FOUND. SERIAL NUMBERS REMOVED ARE A2855, A2844, A2882, AND A2884. REPLACEMENT PART SERIAL NUMBERS ARE A3311, A3592, A3615, AND A3591.Jun 9, 1999 · N447PH · Bell 407 · Main Rotor HeadSDR HEEA062542Stud · crackedDROOP STOP REMOVED DURING OVERHAUL AND NDT PROCEDURE. CRACKS WERE FOUND.Jun 9, 1999 · N447PH · Bell 407 · Main Rotor HeadSDR HEEA062541Universal · wornUNIVERSAL WORN.Jun 9, 1999 · N405PH · Bell 407 · Main Rotor ControlSDR HEEA062526Freewheel Unit · leakingFORWARD SEAL LEAKING ON FREEWHEEL ASSEMBLY.May 26, 1999 · N447PH · Bell 407 · Engine/Transmission CouplingSDR HEEA062525Gearbox · corrodedTAIL ROTOR GEARBOX HAS EXCESSIVE CORROSION ON OUTPUT SHAFT SPLINES.May 26, 1999 · N405PH · Bell 407 · Tail Rotor GearboxSDR HEEA062505Pump · leakingPUMP LEAKING FROM SHAFT AREA. REMOVED FROM AIRCRAFT.May 26, 1999 · N4999 · Bell 407 · Hydraulic Pump (Electric/Engine), MainSDR HEEA062504Indicator · malfunctionedLCD DISPLAY IS VERY DIM ON INDICATOR.May 26, 1999 · N407MM · Bell 407 · Main Rotor GearboxSDR HEEA062503Gearbox · corrodedTAIL ROTOR ASSEMBLY RUSTED TO SPLINES ON T/R GEARBOX.May 26, 1999 · N612PH · Bell 407 · Tail Rotor GearboxSDR HEEA062502Lever Assy · wornLEVER ASSEMBLY BUSHING WORN. SERIAL NUMBERS REMOVED ARE A-2487 AND A-2485.May 26, 1999 · N407PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA062501Gimbal Ring · wornBUSHING ON GIMBAL RING WORN.May 26, 1999 · N407PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA062500Spring · wornRUBBER WORN.May 26, 1999 · N447PH · Bell 407 · Engine/Transmission CouplingSDR HEEA062498Housing · crackedBLOWER HOUSING CRACKED AT UPPER OUTLET CORNER LEFT, AND OTHER PLACES, AND LOOSE RIVETS.May 26, 1999 · N57416 · Bell 407 · Tail Rotor Drive ShaftSDR HEEA062497Pressure Gauge · damagedFACE SPINS ON GAUGE PRESSURE.May 26, 1999 · N457PH · Bell 407 · Emergency Flotation SectionSDR HEEA062495Trunnion · wornSPLINES WORN BEYOND LIMITS.May 26, 1999 · N405PH · Bell 407 · Tail Rotor Head
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