Bell 412

Service difficulty reports · 4,516

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 = '412'
  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 HEEA083585Gyro · precessesHORIZON GYRO PRECESSES. SHOP REPAIR.Jan 14, 2003 · N5759N · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA083584Light · inoperativeHORIZON GYRO LIGHTING INOPERATIVE. SHOP REPAIR.Jan 14, 2003 · N2149S · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA083583Gyro · inaccurateHORIZON GYRO HAS A 20 DEGREE TILT IN LEVEL FLIGHT. SHOP REPAIR.Jan 14, 2003 · N2261D · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA083582Light · inoperativeATTITUDE INDICATOR LIGHT INOPERATIVE. SHOP REPAIR.Jan 14, 2003 · N2261D · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA083580Control Head · malfunctionedWEATHER RADAR CONTROL HEAD WILL NOT HOLD POSITION. SHOP REPAIR.Jan 14, 2003 · N7128R · Bell 412 · Weather Radar SystemSDR HEEA083579Control Head · malfunctionedWEATHER RADAR CONTROL HEAD WILL NOT HOLD POSITION. SHOP REPAIR.Jan 14, 2003 · N7128R · Bell 412 · Weather Radar SystemSDR HEEA083575Servo · leakingROTOR SERVO SYSTEM LEAKING AT PILOT VALVE. REPLACED SERVO.Jan 13, 2003 · N3893L · Bell 412 · Rotorcraft Servo SystemSDR HEEA083574Bearing · wornTAIL ROTOR HEAD FEATHERING BEARINGS WORN. REPAIRED.Jan 13, 2003 · N2261D · Bell 412 · Tail Rotor HeadSDR HEEA083573Motor · looseMOTOR LOOSE IN CONVERTER. TO BE SENT TO VENDOR FOR REPAIR.Jan 13, 2003 · N3893L · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA083553Control Unit · malfunctionedNR 2 ENGINE TORQUE WENT 30 PERCENT LOW, N2 AND ITT ALSO DECREASED. MAINTENANCE REPLACED TORQUE CONTROL UNIT.Jan 13, 2003 · N3911L · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA083544Engine · overheatedENGINE TEMP WENT ABOVE 1006 DEGREES FOR 15 SEC. AFTER COMPRESSOR STALLED. IN SHOP REPAIR.Jan 13, 2003 · N2149S · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA083543Engine · malfunctionedENGINE POWER SECTION PRODUCING LOW POWER N1. TO BE SENT TO VENDOR.Jan 13, 2003 · N6559Z · Bell 412 · Engine (Turbine/Turboprop)SDR ERAA084680Light · intermittentCAUTION LIGHT FLICKERS WHEN TESTED WITH TEST SWITCH ON PANEL.Jan 10, 2003 · N418EH · Bell 412 · Central WarningSDR HEEA083480Valve · malfunctionedHYDRAULIC PRESSURE READS 30 PSI WHEN AIRCRAFT NOT RUNNING. VALVE TO BE SENT TO VENDOR.Jan 10, 2003 · N142PH · Bell 412 · Hydraulic System, MainSDR HEEA083479Duct · crackedEXHAUST DUCT CRACKED. TO BE SENT TO VENDOR.Jan 10, 2003 · N22347 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA083478Receiver · weakVERY WEAK GLIDESLOPE RECEIVER. IN SHOP REPAIR.Jan 10, 2003 · N6559Z · Bell 412 · VHF Communications SystemSDR HEEA083477Receiver · weakVERY WEAK GLIDESLOPE RECEIVER. IN SHOP REPAIR.Jan 10, 2003 · N6559Z · Bell 412 · VHF Communications SystemSDR HEEA083476Receiver · inoperativeGLIDESLOPE RECEIVER IS INOPERATIVE. IN SHOP REPAIR.Jan 10, 2003 · N6559Z · Bell 412 · VHF Communications SystemSDR HEEA083475Transponder · inoperativeATC TRANSPONDER WOULD NOT PRODUCE POWER OUT. IN SHOP REPAIR.Jan 10, 2003 · N6559Z · Bell 412 · ATC Transponder SystemSDR HEEA083474Transponder · erraticATC TRANSMITS ERRATIC AND INTERROGATION PULSES WILL NOT NULL OUT. IN SHOP REPAIR.Jan 10, 2003 · N6559Z · Bell 412 · ATC Transponder SystemSDR HEEA083473Altimeter · unreliableALTIMETER UNRELIABLE. IN SHOP REPAIR.Jan 10, 2003 · N2149S · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA083472Altimeter · inoperativeALTIMETER INDICATOR INOPERATIVE. IN SHOP REPAIR.Jan 10, 2003 · N2149S · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA083471Transceiver · inoperativeADF TRANSCEIVER INOPERATIVE. IN SHOP REPAIR.Jan 10, 2003 · N2298Z · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA083470Transceiver · malfunctionedVHF TRANSCEIVER GARBLED. IN SHOP REPAIR.Jan 10, 2003 · N2261D · Bell 412 · VHF Communications SystemSDR HEEA083469Transceiver · malfunctionedVHF TRANSCEIVER GARBLED. IN SHOP REPAIR.Jan 10, 2003 · N2261D · Bell 412 · VHF Communications SystemSDR HEEA083052Doubler · mismanufacturedDOUBLER DOES NOT HAVE THE PROPER FITTING AT THE RADIUS. REPLACMENT APPEARS TO HAVE STRAIGHT LINE BEND CONTOUR AND NOT THE REQUIRED AIRFRAME STRUCTURE CONTOUR TO FIT THE FUSELAGE AFT BULKHEAD AT THE LOWER T/B MOUNTING BOLT AREAS.Jan 7, 2003 · Bell 412 · Rotorcraft Tail BoomSDR ERAA082950Bushing · wornHUB & SLEEVE ASSY HAS WORN S/P LINK AND WORN COLLECTIVE BUSHINGS. DISASSEMBLED TO FASCILITATE COLLECTIVE LEVER BUSHING REPLACEMENT. REPAIRED COLLECTIVE TEFLON BUSHINGS & SPACERS 4 S/P LINK SPHERICAL BRGS, 1 DRIVE LINK SPHERICAL BRG, BEARINGS IN LINERS, COLLJan 6, 2003 · N416EH · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA082946Swashplate · wornSWASHPLATE ASSY HAS WORN GIMBAL RING BEARINGS. DISASSEMBLED TO FACILITATE GIMBAL RING BEARING REPLACEMENT. REPLACED GIMBAL RING BEARINGS AND GIMBAL RING BOLTS, 1 TRUNNION, AND INSTALLED MAG PICKUP BRACKET & SENSOR. COMPLIED WITH RETORQUED IAW TB 412-84-40Jan 6, 2003 · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA082945Swashplate · wornSWASHPLATE HAS WORN GIMBAL RING AND S/P LINK BEARINGS. ALSO TWO TRUNNIONS WORN, DISASSEMBLED TO FACILITATE GIMBAL BEARING REPLACEMENT. REPLACED GIMBAL RING BEARINGS AND BOLTS AND REPLACED 2 TRUNNIONS. VISUALLY INSPECTED AND FOUND NO ADDITIONAL DEFECTS. REAJan 6, 2003 · N412EH · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA082944Blade · damagedBLADE TIP VOIDED. INSPECTED, REPLACED TIP CLOSURE. REPLACE BUFFER PADS 2 EA ON LOWER SURFACE.Jan 6, 2003 · N419EH · Bell 412 · Tail Rotor BladesSDR ERAA082941Mast · corrodedMAST ASSY HAS PITTING, CORROSION INSIDE OF MAST POST, FROM 1 1/2 - 3 INCHES FROM TOP OF MAST, LOWER CONE WEAR SLEEVE SOUNDS DEBONDED, EXCESS WEAR, MAST NUT HAS DAMAGED THREADS. OVERHAULED MAST ASSY IAW 412 CR&O. INSTALLED NEW MAST POLE, NEW BEARINGS, NEW LOCKJan 6, 2003 · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA082940Bearing · wornFEATHER BEARINGS WORN. FOUND FEATHER BEARINGS ARE IN LIMITS, TRUNNION LOOSE. RE SHIMMED TRUNNION, COMPLIED WITH TRUNNION CENTERING IAW 412 CR&O. INSPECTED T/R BLADES, CLEANED AND WAXED. INSPECTED FEATHER BEARINGS. FOUND TO BE IN LIMITS. REASSEMBLED T/R ASSJan 3, 2003 · N415EH · Bell 412 · Tail Rotor HeadSDR ERAA082939Blade · crackedMAIN ROTOR BLADE HAS CRACK IN LEADING EDGE AND FIBERGLASS. INSPECTED, PERFORMED 2500 HOUR INSPECTION, REPAIRED SKIN AT STA 131 TO STA 153 AND STA148 TO STA 152 ON LOWER SURFACE REPLACED OUTBOARD ABRASION STRIP. REPLACED INBOARD AND OUTBOARD SPLICE COVERS REJan 3, 2003 · N422EH · Bell 412 · Main Rotor BladesSDR ERAA082927Indicator · smokeSMOKE AND ODOR IN COCKPIT, SUSPECT SMOKE AND ODOR CAME FROM WEATHER RADAR INDICATOR. TESTED GOOD ON BENCHDec 31, 2002 · N415EH · Bell 412 · Weather Radar SystemSDR ERAA082926Float · leakingFLOAT BAG LEAKS. FLOAT WAS REPAIRED, COMPLIED WITH ALL TESTS & ALL INSPECTIONS. SERVICEABLE IAW SI-412-2.Dec 31, 2002 · Bell 412 · Emergency Flotation SectionSDR ERAA082925Float · leakingFLOAT BAG LEAKS. FLOAT COMPLIED WITH REPAIRS, ALL INSPECTIONS AND TESTS SERVICEABLE IAW SI-412-2.Dec 31, 2002 · N421EH · Bell 412 · Emergency Flotation SectionSDR HEEA082607Governor · failedNR 1 ENGINE DECELERATED ON TAKEOFF. REPLACED NR 1 GOVERNOR.Dec 13, 2002 · N3911L · Bell 412 · Turbine GovernorSDR ALGA081637Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARING DID NOT REACH ITS EXPECTED LIMITS.Dec 12, 2002 · N9YTJM · Bell 412 · Main Rotor GearboxSDR ALGA081636Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARING DID NOT REACH ITS EXPECTED 5000HR LIFE.Dec 12, 2002 · N9YTJM · Bell 412 · Main Rotor GearboxSDR ALGA081635Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARINGS LIFE EXPECTANCY DID NOT REACH 5000HRS.Dec 12, 2002 · N9YTJM · Bell 412 · Main Rotor GearboxSDR ALGA081634Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, PART DID NOT REACH ITS LIFE EXPECTANCY OF 5000HRS.Dec 12, 2002 · N9YTJM · Bell 412 · Main Rotor GearboxSDR ALGA081621Sleeve · wornSLEEVE BORE INNER DIAMETER MEASURES 0.011 INCH OVER MAXIMUM ALLOWED WITH ONLY 1753.2 HRS. (ORIGINAL EQUIPMENT) THIS PART HAS A 9000 HR. RETIREMENT LIFE.Dec 11, 2002 · Bell 412 · Main Rotor Mast/SwashplateSDR CA021203012Bearing · spalled(CAN) TRANSMISSION REMOVED BECAUSE OF CHIP INDICATIONS. BEARING FOUND SPALLED ON INPECTION.Dec 3, 2002 · Bell 412 · Main Rotor GearboxSDR HEEA082560Actuator · inoperativeSTEP ACTUATOR INOPERATIVE.Dec 2, 2002 · Bell 412 · Entrance StairsSDR ERAA082721Mast · leakingMAST SEAL IS LEAKING. MAST SPLINES CORRODED, BEARING PITTED, NUT CORRODED, PLATE PITTED, RACE NUT GOUGED, LINGER SCORED & WORN. DISASSEMBLED FOR SEAL CHANGE & FOUND CORROSION. COMPLETELY DISASSEMBLED AND FOUND MAST UNECONOMICAL TO REPAIR DUE TO SO MANY UNSERNov 20, 2002 · N164EH · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA082703Drive Shaft · corrodedTEMPLATE TURNED BLACK. PITTING ON SPLINES OF INNER & OUTER COUPLING. C/W PRELIMINARY ISPECTION & FOUND TEMPLATE MISSING AND TEMPLATE BLACK. DISASSEMBLED, CLEANED & VISUAL INSPECTED ALL PARTS. FOUND NO OBVIOUS REASON FOR TEMPLATE TO BE BLACK. PITTING BEYONDNov 15, 2002 · N169EH · Bell 412 · Engine/Transmission CouplingSDR ERAA082702Hanger Assy · leakingGREASE LEAKING EXCESSIVELY FROM BEARING. BEARING DENTED AT GREASE SEAL. CAP RETAINER WRONG PART NUMBER. DISASSEMBLED, CLEANED, VISUALLY INSPECTED ALL PARTS AND COMPLIED WITH NDT. REASSEMBLED INSTALLING NEW BEARING, NEW SEAL, NEW CAP RETAINER, NEW TEMP PLANov 14, 2002 · N167EH · Bell 412 · Tail Rotor Drive ShaftSDR ERAA082700Spindle · splitSPINDLE BEARING STARTING TO SPLIT, DELAMINATING. SPINDLE SCRAPPED. PITCH HORN, NUT, WASHER AND PINS (8EA) VISUALLY INSPECTED AND FOUND TO BE IN SERVICEABLE CONDITION IAW BHT-412-CR&O. ALL PARTS RTS'D.Nov 14, 2002 · N419EH · Bell 412 · Main Rotor HeadSDR ERAA082699Spindle · debondedSPINDLE BEARING IS DEBONDED. MATCHED UP WITH PITCH HORN. BEARING TOTALLY SEPERATED FROM SPINDLE. DUE TO TT OF SPINDLE, SPINDLE WILL BE STORED, NOT ECONOMICAL TO REPAIR. INSTALLED PITCH HORN ON NEW SPINDLE, TORQUED AND SAFTIED IAW 412 CR&O.Nov 14, 2002 · N412EH · Bell 412 · Main Rotor HeadSDR ERAA082696Spindle · crackedSPINDLE IS CRACKED IN SPLINE AREA. AWAITING METALURGICAL TESTS.Nov 7, 2002 · N416EH · Bell 412 · Main Rotor Head
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