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 HEEA0010408Blade · damagedT/R BLADE HAS SMALL PIECE OF SKIN MISSING AT BLADE TIP CAP AREA.Jul 9, 1997 · N5759N · Bell 412 · Tail Rotor BladesSDR HEEA0010405Indicator · errorALTIMETER INCONSISTENT READINGS CANNOT CALIBRATE AND ENCODER OFF 200 FEET.Jul 9, 1997 · N21498 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010395Bearing · failedBEARING SHIELD ROTATING.Jul 9, 1997 · N33008 · Bell 412 · Tail Rotor Drive SystemSDR HEEA0010361Roll Control Rod · malfunctionROLL AXIS KICKS.Jun 26, 1997 · N3893N · Bell 412 · Autopilot SystemSDR HEEA0010359Gyro · defectiveTURN AND BANK SHOWS LEFT TURN IN LEVEL FLIGHT AND WHILE SETTING ON THE GROUND.Jun 26, 1997 · N3893N · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0010358Rate Gyro · malfunctionCOPILOT RATE GYRO SHOWS 1/2 TURN IN LEVEL FLIGHT.Jun 26, 1997 · N5759N · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0010357Indicator · broken pinRATE OF CLIMB INDICATOR HAS BROKEN PIN IN PLUG.Jun 26, 1997 · N3911L · Bell 412 · Rate of Climb IndicatorSDR HEEA0010355Indicator · sticksNEEDLE HAS STICKY OPERATION FROM 0 TO 40%.Jun 26, 1997 · N2149S · Bell 412 · Engine RPM Indicating SystemSDR HEEA0010349Radio Altimeter · inoperativeRADIO ALTIMETER INOPERATIVE MOST OF THE TIME IN FLIGHT, WORKS OFF AND ON.Jun 26, 1997 · N1202T · Bell 412 · Ground Proximity SystemSDR HEEA0010344Altimeter · erraticALTIMETER INDICATES ERRATIC.Jun 26, 1997 · N5759N · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010340Cvr · malfunctionCVR VERY WEAK, ON PILOT'S SIDE NO TEST LIGHT.Jun 26, 1997 · N22608 · Bell 412 · Audio/Video MonitoringSDR HEEA0010332Cvr · wont testCVR WILL NOT TEST.Jun 26, 1997 · N107X · Bell 412 · Audio/Video MonitoringSDR HEEA0010331Skid Tube · defectiveFORWARD TIE DOWN FITTING HOLES MISALIGNED.Jun 26, 1997 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0010329Transceiver · inoperativeTRANSCEIVER INOPERATIVE.Jun 26, 1997 · N22608 · Bell 412 · VHF Communications SystemSDR HEEA0010322Pump · shaft scoredGENERATOR AND SHAFT SCORED.Jun 26, 1997 · N22347 · Bell 412 · Main Rotor GearboxSDR HEEA0010320Flightstep · crackedAFT MOUNT CRACKING OUT AT FLOATING INSERTS. ONE KIT BEING RETURNED: CONSISTS OF 2 BOXES. SENT TO AERONAUTICAL ACCESSORY, INC. FOR WARRANTY CREDIT.Jun 26, 1997 · Bell 412 · Entrance StairsSDR HEEA0010315Nav Control · defectiveIN BRIGHT LIGHT COULD NOT SEE DISPLAY. PERFORMED PRELIMINARY INSPECTION. FOUND PHOTOCELL V101 BAD. REPLACED PHOTOCELL V101. REPAIRED. ALSO FOUND S102 TRANSFER SWITCH INTERMITTENT. REPLACED S102 TRANSFER SWITCH. REPAIRED. BENCH CHECK GOOD.Jun 26, 1997 · N6559Z · Bell 412 · Visual Omnirange (VOR) SystemSDR HEEA0010309Tach Generator · worn driveTACH GENERATOR DRIVE SPLINE WORN.Jun 26, 1997 · N5759N · Bell 412 · Engine RPM Indicating SystemSDR HEEA0010307Cap Assy Aft · delaminatedLANDING GEAR CAP ASSY AFT HAS DELAMINATED RUBBER.Jun 26, 1997 · N5759N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0010306Actuator · inoperativeSTEP ACTUATOR IS INOPERATIVE.Jun 26, 1997 · N22347 · Bell 412 · Entrance StairsSDR HEEA0010305Actuator · failedSTEP ACTUATOR WILL NOT EXTEND.Jun 26, 1997 · N3893P · Bell 412 · Entrance StairsSDR HEEA0010301Duct Assy · crackedDUCT ASSY CRACKED.Jun 26, 1997 · N22608 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0010297Cdu · failedCDU CAUSES LORAN NOT TO SELECT WAY POINTS.Jun 26, 1997 · Bell 412 · Long-Range Navigation (LORAN) SystemSDR HEEA0010296Flightstep · crackedFLIGHTSTEP AFT MOUNT CRACKING OUT OF FLOATING INSERTS. ONE KIT BEING RETURNED: CONSISTS OF ONE EACH P/N 400-300-111 L/H STEP AND ONE EACH P/N 400-300-112 R/H STEP ASSY.Jun 26, 1997 · Bell 412 · Entrance StairsSDR HEEA0010293Transceiver · failedVHF TRANSCEIVER ONLY TRANSMITS ON 121.5 FREQ.Jun 26, 1997 · N1202T · Bell 412 · VHF Communications SystemSDR HEEA0010289Indicator · flag sticksHSI NAVIGATION FLAG STICKS.Jun 26, 1997 · N3911L · Bell 412 · Integrated Flight SystemSDR HEEA0010288Indicator · failedHSI INDICATOR COURSE POINTER WILL NOT FOLLOW WHEN OTHER HSI IS IN COMMAND.Jun 26, 1997 · Bell 412 · Integrated Flight SystemSDR HEEA0010287Indicator · sticksHSI INDICATOR COURSE SET NUMBERS INTERMITTENTLY STICKS WHEN KNOB IS TURNED.Jun 26, 1997 · N7128R · Bell 412 · Integrated Flight SystemSDR HEEA0010286Indicator · flag sticksHSI INDICATOR OFF FLAG INTERMITTENTLY STICKS.Jun 26, 1997 · N108X · Bell 412 · Integrated Flight SystemSDR HEEA0010282Spindle · bearing failedBEARING SEPARATED FROM SPINDLE.Jun 25, 1997 · N22347 · Bell 412 · Main Rotor HeadSDR HEEA0010273Hub · bearing spunHUB BEARING SPUN CAUSING WEAR IN LINER. REPLACED WITH SERVICEABLE HUB ASSY.Jun 25, 1997 · Bell 412 · Main Rotor HeadSDR HEEA0010272Spacer Assy · crackedCRACK INDICATION ON BOTH SPACERS. REPLACED WITH SERVICEABLE PARTS.Jun 25, 1997 · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA0010262Altimeter · failedWHILE PERFORMING TRANSPONDER CERTIFICATION, THE ENCODING ALTIMETER NOTED ABOVE PROVIDED ERRONEOUS READINGS. ERROR SOMETIMES IN THOUSANDS OF FEET.Jun 25, 1997 · N3893L · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010261Actuator · sticksROTARY ACTUATOR STICKS IN PITCH.Jun 25, 1997 · N3893N · Bell 412 · Main Rotor ControlSDR HEEA0010260Actuator · stickingROTARY ACTUATOR STICKING INTERMITTENTLY.Jun 25, 1997 · N22608 · Bell 412 · Main Rotor ControlSDR HEEA0010245Indicator · defectiveATTITUDE INDICATOR HAS SMALL RAPID VERTICAL OSCILLATION.Jun 25, 1997 · N2148K · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0010238Generator · smokingSMOKING DURING RUN UP FOR WATER WASHER.Jun 25, 1997 · N5759N · Bell 412 · Starter-GeneratorSDR HEEA0010229Indicator · out of tolALTITUDE ENCODER AND ANOLOG INDICATES LOW OUT OF TOLERANCE AT 1000 FEET ALTITUDE.Jun 25, 1997 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010228Indicator · erraticALTIMETER INCONSISTENT INDICATION ON LOW END AFTER SEALS ERROR CHECK TO 20,000 FEET.Jun 25, 1997 · N21498 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010215Tach Generator · wornTACH GENERATOR WORN SHAFT.Jun 25, 1997 · N293CA · Bell 412 · Engine RPM Indicating SystemSDR HEEA0010213Indicator · reads highCO PILOTS TORQUE INDICATOR READS 2 TO 3% HIGHER THAN PILOTS SIDE.Jun 25, 1997 · N2148K · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0010209Cyclic Servo · damagedCYCLIC SERVO LOCKWASHER BENT AND CRACKED.Jun 23, 1997 · N3893L · Bell 412 · Main Rotor ControlSDR HEEA0010206Switch · failedREADS HIGH OUT OF TOLERANCE ON LEFT AND RIGHT.Jun 23, 1997 · N3893S · Bell 412 · Fuel Indicating SystemSDR HEEA0010204Tarsyn · defectiveTARSYN KICKING IN PITCH AXIS.Jun 23, 1997 · N5759N · Bell 412 · Autopilot SystemSDR HEEA0010203Indicator · malfunction3 AXIS GYRO INDICATOR MALFUNCTION. AIRCRAFT UNDER FOREIGN REGISTRY, INSPECT AND EVALUATE AS REQUIRED.Jun 23, 1997 · N2FOR · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0010202Gyro · malfunctionCO-PILOT ATTITUDE IND. INOPERATIVE (SPINS)Jun 23, 1997 · N2298Z · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0010199Combining Grbox · malfunctionGEARBOX CLUTCH MISENGAGEMENT WITHOUT AVAILABLE OR PHYSICAL (HELICOPTER JOLT) INDICATIONS. DURING START AT 20% N1 AT 5090N1.Jun 23, 1997 · Bell 412 · Turbine Engine Reduction GearSDR HEEA0010176Tarsyn · defectiveWHEN COLD TARSYN CAUSES RAPID KICKING AFTER WARM KICKS INTERMITTENTLY.Jun 19, 1997 · N6559Z · Bell 412 · Autopilot SystemSDR HEEA0010174Crosstube · damagedFOUND CROSS TUBE HAD .005 DAMAGE IN AREA.Jun 19, 1997 · N3213 · Bell 412 · Landing Gear/Wheel FairingSDR HEEA0010162Coupler-Pac230 · failedANTENNA WILL NOT TUNE TO FREQUENCY. REMOVED FROM AIRCRAFT NYV-0-CVG-11Jun 19, 1997 · Bell 412 · VHF Communications System
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