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 HEEA0015591Actuator · failedA/C FORCE TRIM INTERMITTENTLY WILL NOT RELEASE.Aug 14, 1998 · N3893N · Bell 412 · Main Rotor ControlSDR HEEA0015587Computer · failedAFCS WILL NOT ENGAGE.Aug 14, 1998 · N2149S · Bell 412 · Autopilot ComputerSDR HEEA0015586Computer · failedAFCS COMPUTER INTERMITTENT, FAILS TEST 10.2 ON SST.Aug 14, 1998 · N22608 · Bell 412 · Autopilot ComputerSDR HEEA0015582Digital Clock · malfunctionedDIGITAL CLOCK UPPER RIGHT SEGMENTS HAVE BROKEN FILAMENT.Aug 14, 1998 · N33008 · Bell 412 · Independent InstrumentsSDR HEEA0015581Digital Clock · weakDIGITAL CLOCK UPPER LEFT SEGMENT ILLUMINATES VERY WEAK.Aug 14, 1998 · N33008 · Bell 412 · Independent InstrumentsSDR HEEA0015579Computer · failedIN SAS MODE WHEN FORCE TRIM IS RELEASED, AIRCRAFT PITCHES NOSE UP.Aug 14, 1998 · N3893N · Bell 412 · Autopilot ComputerSDR HEEA0015577Computer · malfunctionedAFCS COMPUTER YAW KICKS.Aug 14, 1998 · N293CA · Bell 412 · Autopilot ComputerSDR HEEA0015571Cartridge · failedBOOST PUMP INTERNAL FAILURE.Aug 14, 1998 · N2298Z · Bell 412 · Fuel Boost PumpSDR HEEA0015565Gyro · failedGYRO FAILED. DOES NOT MOVE TURN NEEDLE MAX TO RIGHT.Aug 14, 1998 · N33008 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015564Gyro · failedGYRO TURN NEEDLE DOES NOT MOVE.Aug 14, 1998 · N2148K · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015557Engine · failedREPAIR DUE TO OIL CONSUMPTION AND HIGH CYCLED COMPRESSOR TURBINE DISC.Aug 14, 1998 · N23023 · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA0015553Blade · unbondedSEPARATION AT TAIL ROTOR BLADE TIP.Aug 14, 1998 · N23023 · Bell 412 · Tail Rotor BladesSDR HEEA0015550Compensator · failedTOT COMPENSATOR CHECKS HIGH ABOVE 60 OUT OF TOLERANCE.Aug 14, 1998 · N3893S · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0015547Radio Altimeter · failedRADIO ALTIMETER DROPS OFF LINE.Aug 14, 1998 · N1202T · Bell 412 · Ground Proximity SystemSDR HEEA0015546Signal Cond · malfunctionedTRANSFER PUMP LIGHT COMES ON IN DECENT.Aug 14, 1998 · N1202T · Bell 412 · Fuel Indicating SystemSDR HEEA0015544Receiver · malfunctionedRECEIVER CAUSES THE NR 1 NAVIGATOR POINTER TO JUMP AROUND DURING LOCALIZER TEST.Aug 14, 1998 · N142PH · Bell 412 · Localizer/VOR SystemSDR HEEA0015536B-Nut · separatedB-NUT CAME OFF TUBE ASSY DURING MANUAL INFLATION OF FLOATS. REPLACED WITH SERVICEABLE TUBE ASSY.Aug 13, 1998 · N3911L · Bell 412 · Emergency Flotation SectionSDR HEEA0015535Indicator · failedGYRO VALID FLAG WILL NOT PULL. REPAIRED BY PHI, CALIBRATED, BENCH CHECK GOOD.Aug 13, 1998 · N293CA · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015524Cover · brokenBATTERY COVER ASSY BROKEN OFF. SCRAPPED BATTERY.Aug 13, 1998 · Bell 412 · Battery/Charger SystemSDR HEEA0015523Indicator · precessingGYRO INDICATOR LIGHTS DO NOT WORK, ALSO IND. PRECESSES TO THE RIGHT. REPLACED ALL BEARINGS AND CALIBRATED UNIT. REPAIRED 5 VOLTS LIGHTS. BENCH CHECK GOOD.Aug 13, 1998 · N21498 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015522Indicator · erraticTRIPLE TACHOMETER, ALL NEEDLES ARE ERRATIC THROUGHOUT SCALE.Aug 13, 1998 · N6559Z · Bell 412 · Main Rotor Indicating SystemSDR HEEA0015521Governor · malfunctionedENGINE GOVERNOR INDUCING TORQUE SPLITS.Aug 13, 1998 · N1202T · Bell 412 · Turbine GovernorSDR 98ZZZX3601Crosstube · corrodedDURING 12-MONTH INSPECTION, FOUND CORROSION PITTING IN CROSS TUBE BEYOND LIMITS.Aug 13, 1998 · N397AL · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR 98ZZZX3083Bolt · corrodedDURING A 300-HOUR INSPECTION, DISCOVERED ONE OF THE BOLTS IN THE 'BOOSTED CYCLIC' CONTROL SYSTEM WAS WORN AND NEEDED TO BE REPLACED. A NEW BOLT, P/N 212-001-323-001, WAS DRAWN OUT OF SPARES SUPPLY TO REPLACE THE WORN ITEM. UPON OPENING THE SEALED PACKAGE, NOAug 12, 1998 · N411DE · Bell 412 · Main Rotor ControlSDR HEEA0015486Ejector · crackedEJECTOR ASSY CRACKED.Jul 30, 1998 · N3893S · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0015485Ejector · crackedEJECTOR ASSEMBLY CRACKED.Jul 30, 1998 · N3893S · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0015484Indicator · stickingROTOR NR 1 NEEDLE ON TRIPLE TACHOMETER STICKS AT ZERO.Jul 30, 1998 · N1202T · Bell 412 · Main Rotor Indicating SystemSDR HEEA0015483Indicator · stickingNR 1 NEEDLE ON TORQUE INDICATOR STICKS AT 30 PERCENT.Jul 30, 1998 · N142PH · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0015481Computer · failedAFCS COMPUTER WILL NOT ENGAGE.Jul 30, 1998 · N2149S · Bell 412 · Autopilot ComputerSDR HEEA0015480Indicator · stickingATTITUDE INDICATOR INTERMITTENTLY STICKS IN ROLL.Jul 30, 1998 · N33008 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015469Computer · malfunctionedNR 1 HELIPILOT KICKS IN ROLL CHANNEL ON AFCS COMPUTER.Jul 30, 1998 · Bell 412 · Autopilot ComputerSDR HEEA0015468Computer · malfunctionedAFCS COMPUTER KICKING IN PITCH.Jul 30, 1998 · N22608 · Bell 412 · Autopilot ComputerSDR HEEA0015466Indicator · failedNR 1 INDICATOR ON DUAL AMMETER WILL NOT READ.Jul 30, 1998 · N22608 · Bell 412 · DC Indicating SystemSDR HEEA0015458Receiver · failedWITH NR 2 NAVIGATION SWITCH ON, GREEN HSI POINTERS SHOW 10 DIFFERENCE.Jul 30, 1998 · N33008 · Bell 412 · Localizer/VOR SystemSDR HEEA0015454Valve Assy · failedCONTACT PINS ON SOLENOID BROKEN.Jul 30, 1998 · N3911L · Bell 412 · Hydraulic Pressure Relief Valve, MainSDR HEEA0015451Pinion Assy · wornTRANSMISSION PINION ASSEMBLY HAS WORN SEAL WEAR SLEEVE BEYOND LIMITS.Jul 30, 1998 · N141PH · Bell 412 · Main Rotor GearboxSDR HEEA0015447Skidtube · crackedSKID TUBE CRACKED.Jul 30, 1998 · N2298Z · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0015446Indicator · fluctuatesGEARBOX OIL PRESSURE NEEDLE FLUCTUATES. TIME SINCE REPAIR, 42:40 HOURS.Jul 30, 1998 · N1202T · Bell 412 · Main Rotor GearboxSDR HEEA0015445Ejector · crackedEJECTOR ASSEMBLY CRACKED AND BRACKET BROKEN.Jul 30, 1998 · N21498 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0015439Compensator · inaccurateITT READING TOO HIGH.Jul 30, 1998 · N6559Z · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0015438Transponder · inoperativeRADAR ALT. INOPERATIVE OVER 100 FEET.Jul 30, 1998 · N142PH · Bell 412 · Ground Proximity SystemSDR HEEA0015437Recorder · failedCVR WILL NOT TEST.Jul 30, 1998 · N5759N · Bell 412 · Audio/Video MonitoringSDR HEEA0015433Tarsyn 333 · precessingADI PRECESSING AND INTERMITTENT FLAG. VG BECOMES INVALID.Jul 30, 1998 · N22608 · Bell 412 · Autopilot SystemSDR HEEA0015426Actuator · failedACTUATOR WILL NOT MOTOR IN FOR AND AFTER TEST.Jul 30, 1998 · N3893L · Bell 412 · Main Rotor ControlSDR HEEA0015425Altimeter · intermittentALTIMETER HAS INTERMITTENT OPERATION.Jul 30, 1998 · N1202T · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0015423Seal · leakingMAIN ROTOR DRIVE SEAL LEAKING.Jul 30, 1998 · N2149S · Bell 412 · Main Rotor GearboxSDR HEEA0015422Seal · leakingMAIN ROTOR DRIVE SEAL LEAKING.Jul 30, 1998 · N33008 · Bell 412 · Main Rotor GearboxSDR HEEA0015419Indicator · damagedALTIMETER INDICATOR READS 10,000 FEET OFF AND LOOSE PARTS INSIDE.Jul 30, 1998 · N33008 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0015416Compensator · failedITT FLUCTUATES AND CANNOT ADJUST BIAS. SJul 30, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0015415Compensator · failedENGINE RUNNING HOT HIGH ITT.Jul 30, 1998 · N21498 · Bell 412 · Engine EGT/TIT Indicating System
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