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 HEEA064405Solenoid Valve · leakingRELIEF VALVE LEAKING.Sep 22, 1999 · N408PH · Bell 407 · Emergency Flotation SectionSDR HEEA064404Seal · leakingSEAL LEAKING.Sep 20, 1999 · N721PH · Bell 407 · Engine/Transmission CouplingSDR HEEA064403Hub · damagedONE OF THE TAIL ROTOR BLADES IS SEPARATED ON THE TRAILING EDGE.Sep 20, 1999 · N437PH · Bell 407 · Tail Rotor HeadSDR HEEA064401Carbon Seal · leakingSEAL LEAKING.Sep 20, 1999 · N724PH · Bell 407 · Engine/Transmission CouplingSDR AC2A0000007Display · intermittentEFIS DISPLAY WILL NOT COME UP UNTIL 20-25 MINUTES OF FLIGHT. (PROBLEM INTERMITTENT). (X)Sep 19, 1999 · Bell 407 · Integrated Flight SystemSDR 99ZZZX4033Disc Pack · crackedDURING 50-HOUR INSPECTION, FOUND NR 7 DISC PACK CRACKED AT AFT DISC. IT IS CRACKED IN 3 LOCATIONS ON AFT DISC. DISC PACK WAS 76.8 HOURS TT ON AIRCRAFT.Sep 18, 1999 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR CA991028072Disc Pack · cracked(CAN) NR 7 THOMAS COUPLING DISC WAS FOUND CRACKED (BOTH FRONT AND BACK SEGMENTS WERE BROKEN).Sep 17, 1999 · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX4034Adapter · wornDURING PHASE 1 INSPECTION, SECTION II ITEM 2 CLEANING SPLINES ON BLOWER SHAFT AND ADAPTER. SPLINES HAVE SLIGHT STEP WORN INTO THEM AT FLANGED END OF ADAPTER. THIS SMALL STEP PREVENTS ADAPTER FROM SLIDING FREELY ON BLOWER SHAFT SPLINES WHEN SUBJECT TO TORSIONSep 17, 1999 · N457AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX4032Bearing · damagedDURING DAILY INSPECTION, FOUND ELASTOMERIC EXTRUSION AND SEPARATION.Sep 16, 1999 · N437AL · Bell 407 · Main Rotor HeadSDR 99ZZZX4031Bearing · damagedDURING DAILY INSPECTION, FOUND ELASTOMERIC EXTRUSION AND SEPARATION.Sep 16, 1999 · N437AL · Bell 407 · Main Rotor HeadSDR 99ZZZX4030Bearing · damagedDURING DAILY INSPECTION, FOUND ELASTOMERIC EXTRUSION AND SEPARATION.Sep 16, 1999 · N437AL · Bell 407 · Main Rotor HeadSDR 99ZZZX4079Disc Pack · spreadFOUND NR 4 DISC PACK SPREAD JUST BEYOND LIMITS DURING 25-HOUR INSPECTION. FOUND NR 4 DISC PACK SPREAD BEYOND LIMITS. REMOVED NR 3 TAIL ROTOR DRIVESHAFT TO BLOWER SPLINE ADAPTER TO ENSURE IT STILL CONTAINED PROPER AMOUNT OF LUBRICANT. IT DID, BUT FOUND THE SSep 15, 1999 · N487AL · Bell 407 · Tail Rotor Drive ShaftSDR 99ZZZX4078Bearing · failedDURING STRAIGHT AND LEVEL FLIGHT AT 3,700 FEET, TWO SHARP VIBRATIONS, EACH LASTING TWO SECONDS, APPROXIMATELY ONE SECOND APART WERE FELT IN THE AIRFRAME. A PRECAUTIONARY LANDING AT NEAREST PLATFORM WAS ACCOMPLISHED. DURING POST-FLIGHT INSPECTION, NOTICED INDISep 12, 1999 · N467AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA064347Yoke · damagedYOKE HAD MECHANICAL DAMAGE OF INNER WEB EDGES - UNABLE TO DETERMINE CAUSE OF DAMAGES.Sep 10, 1999 · N409PH · Bell 407 · Main Rotor HeadSDR 99ZZZX4578Case · wornPRE-FLIGHT INSPECTION FOUND MOUNTING PADS WORN BEYOND LIMITS IN BHT 407 CR&O MANUAL. ONE EACH DOW ALIGNMENT PIN BROKEN. FURTHER TEAR-DOWN REVEALED HIGH GEAR BACKLASH AND SCARING OF THE GEAR TEETH. POSSIBLY DUE TO LOW OR ABSENCE OF OIL AT THE SAME TIME. HISep 8, 1999 · N407AL · Bell 407 · Tail Rotor GearboxSDR HEEA064342Universal · wornUNIVERSAL HAD WORN BEARINGS. REFERENCE: DMR NR 686205.Sep 7, 1999 · N719PH · Bell 407 · Main Rotor ControlSDR HEEA064341Bushing · wornBUSHINGS WORN ON LEVER ASSY. SERIAL NUMBERS REMOVED ARE A-2028 AND A-2037. REFERENCE: DMR NR 686315. REPLACEMENT PART SERIAL NUMBERS ARE A-2636 AND A-2627.Sep 7, 1999 · N467PH · Bell 407 · Main Rotor ControlSDR HEEA064340Bearing · wornOUTER DIAMETER WORN BELOW LIMITS. REFERENCE: DMR NR 686316.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor GearboxSDR HEEA064339Collector Pan · mismanufacturedCOLLECTOR PAN NOT CONCENTRIC. REFERENCE: DMR NR 686332.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor GearboxSDR HEEA064338Line · leakingHOSE ASSY LEAKING FROM FITTING. REFERENCE: DMR NR 686355.Sep 7, 1999 · N722PH · Bell 407 · Landing Gear Retraction/Extension SystemSDR HEEA064336Connector · damagedSEVERAL PINHOLES ON CONNECTOR ARE CHIPPED AND ELONGATED. REFERENCE: DMR NR 686305.Sep 7, 1999 · N141MA · Bell 407 · Fuel Controlling SystemSDR HEEA064335Seal · pittedSEAL PITTED. REFERENCE: DMR NR 686436.Sep 7, 1999 · N510PH · Bell 407 · Tail Rotor GearboxSDR HEEA064334Disc Pack · crackedCRACK FOUND AT NR 6 DISC PACK ASSY. REFERENCE: DMR NR 686435.Sep 7, 1999 · N405PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA064333Transmitter · fluctuatesPRESSURE FLUCTUATES 15 PSI. REFERENCE: DMR NR 686312.Sep 7, 1999 · N724PH · Bell 407 · Main Rotor GearboxSDR HEEA064332Duct · crackedDUCT CRACKED. REFERENCE: DMR NR 686295.Sep 7, 1999 · N437PH · Bell 407 · Engine Collector/Tailpipe/NozzleSDR HEEA064331Housing · crackedBLOWER HOUSING CRACKED. REFERENCE: DMR NR 686371.Sep 7, 1999 · N437PH · Bell 407 · Rotorcraft Cooling Fan SystemSDR HEEA064330Gimbal Ring · wornGIMBAL HAS WORN PIVOT BUSHING. REFERENCE: DMR NR 686210.Sep 7, 1999 · N402PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA064329Hub Set · wornWORN BEARING SURFACE. REFERENCE: DMR NR 686211.Sep 7, 1999 · N402PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA064328Disk Pack · crackedDISC COUPLING CRACKED. REFERENCE: DMR NR 686433.Sep 7, 1999 · N467PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA064327Transmitter · erraticERRATIC READING ON TORQUE GAUGE. REFERENCE: DMR NR 686170.Sep 7, 1999 · N57416 · Bell 407 · Main Rotor Indicating SystemSDR HEEA064326Temp Bulb · malfunctionedHIGH TEMP INDICATIONS. REFERENCE: DMR NR 686425.Sep 7, 1999 · N406PH · Bell 407 · Engine Oil PressureSDR HEEA064325Skid Tube · wornSKID TUBE ASSY WORN ON BOTTOM. REFERENCE: DMR NR 686115.Sep 7, 1999 · N404PH · Bell 407 · Wheel/Ski/FloatSDR HEEA064324Skid Tube · wornSKID TUBE ASSY WORN ON BOTTOM. REFERENCE: DMR NR 686116.Sep 7, 1999 · N404PH · Bell 407 · Wheel/Ski/FloatSDR HEEA064323Hub Set · wornTEFLON ON BUSHINGS WORN. REFERENCE: DMR NR 686264.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA064322Drive Ring · wornSPLINES WORN BEYOND LIMITS. REFERENCE: DMR NR 68627101.Sep 7, 1999 · N141MA · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA064321Cover · deterioratedFLOAT COVER DETERIORATED. REFERENCE: DMR NR 686287.Sep 7, 1999 · N417PH · Bell 407 · Emergency Flotation SectionSDR HEEA064320Cover · deterioratedFLOAT COVER DETERIORATED. REFERENCE: DMR NR 686318.Sep 7, 1999 · N417PH · Bell 407 · Emergency Flotation SectionSDR HEEA064319Cover · tornEND FLAP TORN OFF ON FLOAT COVER. REFERENCE: DMR NR 686213.Sep 7, 1999 · N57416 · Bell 407 · Emergency Flotation SectionSDR HEEA064318Cover · tornFLOAT COVER TORN AND DETERIORATED. REFERENCE: DMR NR 686290.Sep 7, 1999 · N417PH · Bell 407 · Emergency Flotation SectionSDR HEEA064317Cover · tornFLOAT COVER'S END FLAP TORN OFF. REFERENCE: DMR NR 686243.Sep 7, 1999 · N409PH · Bell 407 · Emergency Flotation SectionSDR HEEA064316Cover · tornFLOAT COVER'S END FLAP TORN OFF. REFERENCE: DMR NR 686214.Sep 7, 1999 · N57416 · Bell 407 · Emergency Flotation SectionSDR HEEA064315Lower Cone · damagedLOWER CONE HAD DAMAGED TEFLON. REFERENCE: DMR NR 686212.Sep 7, 1999 · N402PH · Bell 407 · Main Rotor HeadSDR HEEA064314Bearing · mismanufacturedSEAT HAD BLUE EPOXY COATING MISSING. REFERENCE: DMR NR 686423.Sep 7, 1999 · N510PH · Bell 407 · Main Rotor HeadSDR HEEA064313Drive Ring · mismanufacturedBLUE EPOXY COATING MISSING FROM DRIVE RING SET. TOTAL RINS 4101. REFERENCE: DMR NR 686422.Sep 7, 1999 · N510PH · Bell 407 · Main Rotor Mast/SwashplateSDR HEEA064312Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3151 AND NHFS-3155. DMR NR 686262. REPLACED WITH SERIAL NUMBERS NHFS-4552 AND NHFS-4335.Sep 7, 1999 · N408PH · Bell 407 · Tail Rotor Control SystemSDR HEEA064311Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3225 AND NHFS-3288. DMR NR 686263. REPLACED WITH SERIAL NUMBERS NHFS-4384 AND NHFS-4412.Sep 7, 1999 · N723PH · Bell 407 · Tail Rotor Control SystemSDR HEEA064310Universal · looseUNIVERSAL HAD EXCESSIVE PLAY. REFERENCE: DMR NR 686219.Sep 7, 1999 · N437PH · Bell 407 · Main Rotor Drive SystemSDR HEEA064309Universal · damagedUNIVERSAL HAD UNSTAKED BEARING. REFERENCE: DMR NR 686330.Sep 7, 1999 · N447PH · Bell 407 · Main Rotor Drive SystemSDR HEEA064308Link Assembly · frozenBEARING FROZEN ON LINK ASSY. REFERENCE: DMR NR 686265.Sep 7, 1999 · N723PH · Bell 407 · Tail Rotor Control SystemSDR HEEA064307Relay · malfunctionedRELAY CAUSES FADEC DEGRADE LIGHT. REFERENCE: DMR NR 686288.Sep 7, 1999 · N141MA · Bell 407 · AC Generation System
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