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 HEEA0012714Window · mis mfgUNABLE TO FIT L/H LOWER WINDOW ONTO FUSELAGE.Jan 27, 1998 · N2261D · Bell 412 · Flight Compartment WindowsSDR HEEA0012703Transponder · failedTRANSPONDER CONSTANTLY REPORTS CODE "7777" WITH IDENT MODE NO MATTER WHAT IS DIALED ON CONTROL HEAD. REPLACED WITH SERVICEABLE UNIT.Jan 26, 1998 · N1202T · Bell 412 · ATC Transponder SystemSDR HEEA0012702Transceiver · failedTRANSCEIVER WILL NOT WORK. FOUND Q103 TRANSISTOR, C106 CAPACITOR AND CR104 DIODE INOPERATIVE AND F1 FUSE BURNT. REPLACED ALL THESE COMPONENTS. UNIT FIRED UP AND ADJUSTED POWER OUT AND PULSE WIDTH. BENCH CHECK GOOD.Jan 26, 1998 · N2014K · Bell 412 · DME/TACAN SystemSDR HEEA0012696Altimeter · failedWHEN DECREASING ALTIMETER KOLLSMAN WINDOW, NEEDLE MOVEMENT JUMPS 200 FEET AT 29-90. ADJUSTMENT KNOB IS STIFF AND RATCHETY AT DIFFERENT SETTINGS.Jan 26, 1998 · N2149S · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0012661Actuator · failedSTEP ACTUATOR POPS CIRCUIT BREAKER.Jan 26, 1998 · N3893S · Bell 412 · Entrance StairsSDR HEEA0012643Pump · failedPUMP CAUSING PRESSURE FLUCTUATION. EXTREMELY NOISY.Jan 26, 1998 · N293CA · Bell 412 · Fuel Boost PumpSDR HEEA0012642Indicator · defectiveTRIPLE TACH INDICATOR SPLIT AND EXCESSIVE FRICTION ERROR.Jan 26, 1998 · N1202T · Bell 412 · Engine RPM Indicating SystemSDR HEEA0012633Gyro · failedRATE OF TURN NEEDLE INOPERATIVE. GYRO FAILEDJan 26, 1998 · N3893N · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0012631Indicator · sticksITT INDICATOR WHEN HOT UNIT STICKS AT ZERO.Jan 26, 1998 · N141PH · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0012584Indicator · defectiveRATE OF CLIMB INDICATOR. INSPECT FOR POSSIBLE WATER DAMAGE. COMPLY WITH ASB 214ST-97-79, PART 2.Jan 15, 1998 · N22608 · Bell 412 · Rate of Climb IndicatorSDR HEEA0012581Seal · defectiveMAGNETIC RING HAS NO MAGNETISM.Jan 14, 1998 · Bell 412 · Main Rotor GearboxSDR HEEA0012577Blade · crackedBLADE HAS SKIN CRACK NEAR THE INBOARD TRIM TAB ON THE LOWER SURFACE WHERE A REPAIR WAS DONE PREVIOUSLY AT COMPOSITE TECHNICS WITH A TOTAL TIME OF 7978:15.Jan 13, 1998 · N3893S · Bell 412 · Main Rotor BladesSDR HEEA0012576Blade · defectiveUNABLE TO TRACK AND BALANCE BLADE.Jan 13, 1998 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA0012542Computer · failedAFCS COMPUTER FAILED TEST 8.3 ON SST BENCH TWICE.Jan 6, 1998 · N5759N · Bell 412 · Autopilot ComputerSDR HEEA0012541Autopilot Contro · defectiveAUTOPILOT CONTROL HP1 AND HP2 LIGHTS ARE TOO DIM WHEN INSTRUMENT LIGHTS ARE DIMMED.Jan 6, 1998 · N33008 · Bell 412 · Autopilot SystemSDR HEEA0012540Indicator · defectiveTRIPLE TACH INDICATOR HAS LOOSE PARTS INSIDE.Jan 6, 1998 · N3893P · Bell 412 · Engine RPM Indicating SystemSDR HEEA0012539Gyro · failed3 AXIS GYRO INDICATOR CAUSES KICKS IN PITCH AND ROLL IN AIRCRAFT.Jan 6, 1998 · N3893P · Bell 412 · Attitude and Direction Data SystemSDR HEEA0012538Indicator · failedITT INDICATOR READS LOW THROUGHOUT SCALE.Jan 6, 1998 · N1202T · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0012536Pump · failedBOOST PUMP LIGHT COMES ON IN FLIGHT.Jan 6, 1998 · N141PH · Bell 412 · Fuel Boost PumpSDR HEEA0012535Actuator · failedACTUATOR WILL NOT HOLD BEEP RANGE ADJUSTMENT.Jan 6, 1998 · N6559Z · Bell 412 · Main Rotor ControlSDR HEEA0012531Pump · failedNR 2 FUEL TRANSFER LIGHT ON WOULD NOT GO OUT.Jan 6, 1998 · N141PH · Bell 412 · Fuel Boost PumpSDR HEEA0012528Ejector · crackedLT EJECTOR ASSY HAS CRACK AROUND SUPPORTS.Jan 6, 1998 · N108X · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0012526Gyro · failedGYRO BLEW CIRCUIT BREAKER ON SST.Jan 6, 1998 · N3893N · Bell 412 · Attitude and Direction Data SystemSDR HEEA0012525Tarsyn 333 · failedFAILED TEST 3.1 ON SST BENCH.Jan 6, 1998 · N2258F · Bell 412 · Auto Flight SystemSDR HEEA0012524Ring Gear · corrodedFRETTING CORROSION ON FLANGE SURFACE AND PILOT DIAMETERS (UPPER AND LOWER)Jan 6, 1998 · N2148K · Bell 412 · Main Rotor GearboxSDR HEEA0012516Check Valve · leaksCHECK VALVE LEAKS THROUGH WIRES.Jan 6, 1998 · N1202T · Bell 412 · Aircraft Fuel Distribution SystemSDR HEEA0012515Rate Gyro · failedRATE GYRO INOPERATIVE. WILL NOT PULL RT FLAG ON HSI AND WILL NOT SHOW DEFLECTION IN TURN.Jan 6, 1998 · N3893N · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0012506Indicator · sticksNR1 ENGINE TORQUE NEEDLE STICKS AND IS ERRATIC.Jan 6, 1998 · N108X · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0012504Gear Assy · wornGEAR ASSY HAS WORN SEAL RIDE.Jan 6, 1998 · N2148K · Bell 412 · Main Rotor GearboxSDR HEEA0012501Actuator · inoperativeSTEP ACTUATOR INOPERATIVE.Jan 6, 1998 · N3893S · Bell 412 · Entrance StairsSDR HEEA0012499Adapter · corrodedADAPTER HAS CORROSION AT SEAL RIDE.Jan 6, 1998 · N2148K · Bell 412 · Main Rotor GearboxSDR HEEA0012497Case Assy · corrodedCASE ASSY HAS CORROSION PITS ON LOWER FLANGE AND PILOT DATA SURFACES.Jan 6, 1998 · N2148K · Bell 412 · Main Rotor GearboxSDR HEEA0012486Cap Assy · wornAFT CAP ASSY HAS WORN RUBBER.Jan 6, 1998 · N2298Z · Bell 412 · Main Rotor HeadSDR HEEA0012482Elt · failedELT OUTPUT DISTORTED.Jan 6, 1998 · N293CA · Bell 412 · Emergency Locator BeaconSDR HEEA0012472Panel · malfunctionPILOT SIDE ROTOR BRAKE, LIGHT STAYS ON DIM.Jan 6, 1998 · N107X · Bell 412 · Main Rotor BrakeSDR HEEA0012469Indicator · failedHSI COURSE WINDOW NUMBERS JAMMED.Jan 6, 1998 · N3893N · Bell 412 · Integrated Flight SystemSDR HEEA0012466Indicator · inoperativeNR1 TRIPLE TACH INDICATOR NEEDLE INOPERATIVE.Jan 6, 1998 · N3893S · Bell 412 · Engine RPM Indicating SystemSDR HEEA0012463Yaw Control · failedYAW CONTROL SHOWS FULL RIGHT DEFLECTION.Jan 6, 1998 · N5759N · Bell 412 · Tail Rotor Control SystemSDR HEEA0012460Panel · failedDOESN'T TURN ON MASTER CAUTION LIGHT.Jan 6, 1998 · N33008 · Bell 412 · Central WarningSDR HEEA0012457Engine · crackedENGINE HAS CRACK IN GENERATOR CASE.Jan 6, 1998 · N107X · Bell 412 · Turbine SectionSDR HEEA0012456Combining Grbox · making metalCOMBINING GEARBOX HAS METAL ON PLUG AND FILTER.Jan 6, 1998 · N6559Z · Bell 412 · Turbine Engine Reduction GearSDR HEEA0012433Gps165 · failedGPS 165 UNIT MESSAGE: INTERNAL BATTERY LOW.Jan 5, 1998 · N2148K · Bell 412 · Global Positioning SystemSDR HEEA0012432Blade · separationM/R BLADE HAS SEPARATION ON THE TRAILING EDGE DOUBLER WHICH IS BEYOND THE LIMITS.Jan 5, 1998 · N293CA · Bell 412 · Main Rotor BladesSDR HEEA0012431Blade · unbondedM/R BLADE HAS BOTH UPPER FRETTING PADS UNBONDED.Jan 5, 1998 · N293CA · Bell 412 · Main Rotor BladesSDR HEEA0012430Blade · defectiveBLADE RECEIVED FROM VENDOR WITH NO WEIGHTS IN FORWARD ROOT POCKET; BLADE IS HEAVY AND CANNOT BALANCEJan 5, 1998 · N2258F · Bell 412 · Main Rotor BladesSDR HEEA0012410Cvr · shortedCVR DOES NOT COME ON. POWER WAS SHORTED TO GROUND.Dec 31, 1997 · N2261D · Bell 412 · Audio/Video MonitoringSDR HEEA0012409Blade · defectiveM/R BLADE HAS SKIN VOID ON THE UPPER SURFACE JUST TO THE OUTBOARD OF THE MIDSPAN TAB AT STATION 208".Dec 31, 1997 · N107X · Bell 412 · Main Rotor BladesSDR HEEA0012402Comm Control · failedCOMM CONTROL DISPLAY SOMETIMES UNREADABLE. PERFORMED PRELIMINARY INSPECTION. REPLACED DISPLAY LENS. REPAIRED. ALSO REPLACED PHOTOCELL LENS AND HEADER P201. CHECKED 28V LIGHTING. BENCH CHECK GOOD.Dec 31, 1997 · N21498 · Bell 412 · VHF Communications SystemSDR HEEA0012401Governor · failedNR 1 ENGINE BEEP RANGE WENT HIGH AND TORQUE SPLIT. REPLACED WITH SERVICEABLE GOVERNOR.Dec 31, 1997 · N22347 · Bell 412 · Turbine GovernorSDR HEEA0012400Indicator · failedUPON INSTALLATION OF INDICATOR, TURNED ON POWER AND INDICATOR IMMEDIATELY WENT TO ZERO AND STAYED. WOULD NOT COME OFF OF ZERO. REPLACED WITH SERVICEABLE INDICATOR.Dec 31, 1997 · N3893P · Bell 412 · Fuel Quantity Indicator
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