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 HEEA0015399Computer · malfunctionedNR 2 AFCS WOULD NOT LATCH.Jul 29, 1998 · N2258F · Bell 412 · Autopilot ComputerSDR HEEA0015391Indicator · stickingHSI INDICATOR CARD STICKS DURING TURNS.Jul 29, 1998 · N3911L · Bell 412 · Integrated Flight SystemSDR HEEA0015387Altimeter · malfunctionedALTIMETER NEEDLE WILL NOT SHOW ABOVE 2000.Jul 29, 1998 · N1202T · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0015383Indicator · inoperativeROTOR TACH INOPERATIVE. UNIT FUNCTION CHECKED BAD, ROTOR NEEDLE STUCK.Jul 29, 1998 · N6559Z · Bell 412 · Main Rotor Indicating SystemSDR HEEA0015381Pump · vibratingHYDRAULIC PUMP CAUSING HIGH FREQUENCY VIBRATION.Jul 29, 1998 · N142PH · Bell 412 · Hydraulic Pump (Electric/Engine), MainSDR HEEA0015378Indicator · out of adjustADI CHATTERS AND IS VERY LOOSE IN ADJUSTMENT.Jul 29, 1998 · N33008 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015377Indicator · malfunctionedINDICATOR'S TURN NEEDLE STAYS DEFLECTED.Jul 29, 1998 · N33008 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015376Indicator · erraticTRIPLE TACHOMETER HAS ERRATIC MOVEMENT ON ALL NEEDLES.Jul 29, 1998 · N5759N · Bell 412 · Main Rotor Indicating SystemSDR HEEA0015373Indicator · failedITT GAUGE UNIT WILL NOT INDICATE.Jul 29, 1998 · N5759N · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0015369Compass · inaccurateCOMPASS HAS INCORRECT READINGS.Jul 29, 1998 · N142PH · Bell 412 · Magnetic CompassSDR HEEA0015368Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT.Jul 29, 1998 · N5759N · Bell 412 · VHF Communications SystemSDR HEEA0015367Transceiver · failedTRANSCEIVER WILL NOT TEST AND RECEIVE.Jul 29, 1998 · N5759N · Bell 412 · VHF Communications SystemSDR HEEA0015343Actuator · malfunctionedSTEP ACTUATOR EXCESSIVELY SLOW.Jul 29, 1998 · N2148K · Bell 412 · Entrance StairsSDR HEEA0015342Duct · crackedFLANGE CRACKED ON DUCT ASSEMBLY.Jul 29, 1998 · N6559Z · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0015341Exciter · malfunctionedEXCITER HAS SLOW SPARK RATE.Jul 29, 1998 · N141PH · Bell 412 · ExciterSDR HEEA0015337Computer · failedAIR DATA COMPUTER WILL NOT SHOW FUEL BURN AND ON OCCASION POWER CHECK.Jul 29, 1998 · N22608 · Bell 412 · Air Data ComputerSDR HEEA0015332Indicator · stuckNR 1 NEEDLE STICKS ON TRIPLE TACHOMETER.Jul 29, 1998 · N7128R · Bell 412 · Engine RPM Indicating SystemSDR HEEA0015330Indicator · failedINDICATOR BALL ROTATES SLOW AND RATCHETS IN CLIMB AND DRIVE.Jul 29, 1998 · N22608 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015323Valve · failedWHEN INSTALLED IN AIRCRAFT BLEED VALVE CAUSED COMPRESSOR STALL. REPLACED WITH SERVICEABLE BLEED VALVE.Jul 29, 1998 · N21498 · Bell 412 · Compressor Bleed ValveSDR HEEA0015322Indicator · failedPART WAS INSTALLED AND FUNCTION CHECK GOOD ON GROUND. ON NEXT DAY, AFTER APPROX, 30 MINUTES OF FLIGHT TIME, NOW COMPASS CARD SPINS CONSTANTLY. REPLACED WITH SERVICEABLE HSI.Jul 29, 1998 · N1202T · Bell 412 · Integrated Flight SystemSDR HEEA0015321Indicator · malfunctionedHSI DOES NOT SLAVE WHEN OTHER HSI IS IN COMMAND.Jul 29, 1998 · N3911L · Bell 412 · Integrated Flight SystemSDR HEEA0015320Transceiver · failedTRANSCEIVER WEAK AND GARBLED. REPAIRED AND FUNCTION CHECKED GOOD.Jul 29, 1998 · N3893S · Bell 412 · VHF Communications SystemSDR CZMA082742Hose · leakingPART LEAKED ON INITIAL INSTALLATION, AT OIL COOLER END. REINSTALLED ORIGINAL HOSE WHICH WAS DEEMED SERVICABLE. ORIGINAL HOSE WAS PURCHASED WITH AIRCRAFT.Jul 28, 1998 · N911BE · Bell 412 · Turbine Engine Oil SystemSDR CZMA061412Line · leaksHOSE ASSEMBLY LEAKED ON INITIAL INSTALL AT OIL COOLER END. RE-INSTALLED ORIGINAL HOSE WHICH WAS DEEMED SERVICABLE. ORIGINAL HOSE WAS PURCHASED WITH AIRCRAFT.Jul 28, 1998 · N911BE · Bell 412 · Engine Oil Distribution (Airframe Furnished)SDR HEEA0015306Ejector · crackedEJECTOR OUTER SHROUD CRACKED AND FLANGE CRACKED ON EJECTOR ASSEMBLY..Jul 27, 1998 · N3893P · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0015303Computer · inoperativeCOMPUTER INOPERATIVE. FUNCTION CHECKED BAD. FAILS LAMP DRIVERS TEST 2.2, 2.3, 3.1, AND 4.3 ON SST. TIME SINCE REPAIR 97:35 HOURS.Jul 27, 1998 · N142PH · Bell 412 · Autopilot ComputerSDR HEEA0015302Indicator · failedUNIT FUNCTION CHECK BAD, NR 1 NEEDLE STICKS AT ZERO ON TRIPLE TACHOMETER INDICATOR..Jul 27, 1998 · N2148K · Bell 412 · Engine RPM Indicating SystemSDR HEEA0015289Blade · defectiveCANNOT TRACK OR BALANCE. SUSPECT WATER IN THE BLADE CORE.Jul 27, 1998 · N22608 · Bell 412 · Main Rotor BladesSDR HEEA0015286Blade · defectiveCANNOT TRACK OR BALANCE. SUSPECT WATER IN THE BLADE CORE.Jul 27, 1998 · N1202T · Bell 412 · Main Rotor BladesSDR HEEA0015277Blade · unbondedOUTBOARD LEADING EDGE ABRASION STRIP HAS CRACKS WITH MULTIPLE BRANCH.Jul 27, 1998 · N1202T · Bell 412 · Main Rotor BladesSDR HEEA0015276Indicator · malfunctionedATTITUDE INDICATOR LIGHTS INOPERATIVE. REPLACED 5-VOLT LIGHTS.Jul 27, 1998 · N293CA · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015264Tarsyn 333 · failedCO-PILOT'S HSI WILL NOT WORK, UNIT FUNCTION CHECK BAD, FAILED TEST 1.1 ON SST BENCH. D.G. WILL NOT COME VALID.Jul 27, 1998 · N23023 · Bell 412 · Autopilot SystemSDR HEEA0015263Indicator · inoperativeENGINE OIL PRESSURE INDICATOR INOPERATIVE. PRESSURE SIDE ONLY.Jul 27, 1998 · N22608 · Bell 412 · Engine Oil PressureSDR HEEA0015262Receiver · inoperativeNAVIGATOR INOPERATIVE.Jul 27, 1998 · N5759N · Bell 412 · Localizer/VOR SystemSDR HEEA0015261Transceiver · failedVHF TRANSCEIVER TRANSMITS ARE GARBLED. SIDETONE FADES. PERFORMED PRELIMINARY INSPECTION. REMOVED CORROSION FROM UNIT. ADJUSTED CARRIER SQUELCH, MIC GAIN, SIDETONE AND COMPRESSOR. AFTER FURTHER TESTING, UNIT STOPPED TRANSMITTING.Jul 27, 1998 · N7128R · Bell 412 · VHF Communications SystemSDR HEEA0015246Transceiver · failedBENCH CHECK AND 2 YEAR INSPECTION. PERFORMED PRELIMINARY INSPECTION. FOUND TRANSMIT POWER OUT FLUCTUATING AND MODULATION DISTORTED INTERMITTENTLY. SWAPPED OUT Q109 AND Q110 TRANSISTORS. NO HELP. ALSO FOUND C529 CAPACITOR BROKEN.Jul 27, 1998 · N21498 · Bell 412 · VHF Communications SystemSDR HEEA0015163Blade · damagedTIP CAP IS SEPARATION ON END SECTION.Jul 13, 1998 · N33008 · Bell 412 · Tail Rotor BladesSDR HEEA0015158Indicator · inoperativeROTOR NEEDLE INOPERATIVE. TIME SINCE REPAIR 23:25 HOURS.Jul 13, 1998 · N1202T · Bell 412 · Main Rotor Indicating SystemSDR HEEA0015152Control Unit · faultyKICKS OFF LINE AND POSITIVE TACK DISTORTED.Jul 1, 1998 · N22608 · Bell 412 · DC Generating SystemSDR HEEA0015146Seal · leakingMAIN ROTOR SEAL IS LEAKING.Jul 1, 1998 · N3893S · Bell 412 · Main Rotor GearboxSDR HEEA0015144Seal · leakingMAIN ROTOR SEAL IS LEAKING.Jul 1, 1998 · N2261D · Bell 412 · Main Rotor GearboxSDR HEEA0015143Seal · leakingMAIN ROTOR SEAL IS LEAKING.Jul 1, 1998 · N3893N · Bell 412 · Main Rotor GearboxSDR HEEA0015142Seal · leakingMAIN ROTOR SEAL IS LEAKING.Jul 1, 1998 · N1202T · Bell 412 · Main Rotor GearboxSDR HEEA0015136Loran · failedLORAN HAS NO RELAY AND CODING PULSES BAD.Jul 1, 1998 · N22608 · Bell 412 · Long-Range Navigation (LORAN) SystemSDR HEEA0015130Tarsyn · failedTARSYN FAILED PITCH AND ROLL TEST SST BENCH.Jul 1, 1998 · N23023 · Bell 412 · Autopilot SystemSDR HEEA0015129Gearbox · leakingCOMBINING BOX IS TRANSFERRING OIL TO NR 1 ENGINE.Jul 1, 1998 · N21498 · Bell 412 · Turbine Engine Reduction GearSDR HEEA0015128Actuator · failedDROOP COMP INTERNAL STOPS SEEMS BROKEN. MOTOR INTERMITTENT.Jul 1, 1998 · N22608 · Bell 412 · Main Rotor ControlSDR HEEA0015110Rate Gyro · inoperativeAVI TURN NEEDLE IS INOPERATIVE ON GYRO.Jul 1, 1998 · N2261D · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0015108Detector · failedNR 2 ENGINE RPM LIMIT OUT LIGHT REMAINS ON WITH ENGINE ON LINE.Jul 1, 1998 · N22608 · Bell 412 · Rotor Drive Indicating SystemSDR HEEA0015103Switch · faultyINTERPHONE SELECTOR SWITCH HARD TO TURN AND DISPLAY PANEL WORN.Jul 1, 1998 · N2298Z · Bell 412 · Interphone/Passenger Announcement (PA) System
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