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 AU971456Bolt · incorrect part(AUS) COLLECTIVE LEVER ASSEMBLY PIN PNO 412-010-422-103 FALLEN OUT. THE PIN IS LOCATED ON THE TRANSMISSION CASING. BOLT PNO 20-057-4-3H AND WASHER PNO AN460-416 WAS ATTACHED TO THE PIN WITH LOCKWIRE. INVESTIGATION FOUND THAT THE BOLT PNO 20-057-4-3H WAS THE INNov 17, 1997 · Bell 412 · Main Rotor ControlSDR AU971527Fitting · cracked(AUS) HOIST BEAM ATTACHMENT FITTING CRACKED.Nov 15, 1997 · Bell 412 · Fuselage, Equipment Attach FittingsSDR HEEA0012015Ejector Assy · brokenEJECTOR ASSY MOUNT BRACKETS BROKEN.Nov 13, 1997 · N21498 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0012013Duct Assy · crtackedEJECTORS ARE CRACKED.Nov 13, 1997 · N22608 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0012012Duct Assy · crackedEJECTORS ARE CRACKED.Nov 13, 1997 · N22608 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0012011Altimeter · defectiveALTIMETER HAS EXCESSIVE FRICTION ERROR.Nov 13, 1997 · N1202T · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0012006Altimeter · defectiveALTIMETER MISSING PH LIGHT.Nov 13, 1997 · N1202T · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0012002Combining Gr Box · making metalCOMBINING GR BOX HAS METAL ON PLUGS AND FILTER AFTER 30 MINUTES RUN AND 20 MINUTES FLIGHT.Nov 13, 1997 · N6559Z · Bell 412 · Turbine Engine Reduction GearSDR HEEA0012001Transmitter · failedTORQUE TRANSMITTER STICKING. TRANSMITS LOW OUT OF TOLERANCE.Nov 13, 1997 · N7128R · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0012000Indicator · sticksN1 INDICATOR NEEDLE STICKS THROUGHOUT SCALE, NO LIGHTING.Nov 13, 1997 · N2149S · Bell 412 · Engine RPM Indicating SystemSDR HEEA0011998Itt Indicator · failedITT INDICATOR NEEDLE DROPPED TO ZERO.Nov 13, 1997 · N107X · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0011997Itt Indicator · stuckITT INDICATOR NEEDLE STICKS ON START.Nov 13, 1997 · N22347 · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0011996Servo Assy · stuckNR2 ACTUATOR STUCK HARD OVER.Nov 13, 1997 · N2014K · Bell 412 · Main Rotor ControlSDR HEEA0011994Indicator · failedHSI COURSE SELECTED CHANGES RANDOMLY IN FLIGHT. CHANGES CONSTANT WHEN THE COURSE SELECT SWITCH IN THE AIRCRAFT IS SWITCHED BETWEEN THE PILOT AND COPILOT POSITION.Nov 13, 1997 · N142PH · Bell 412 · Integrated Flight SystemSDR HEEA0011993Indicator · failedROTOR NEEDLE READS HIGH.Nov 13, 1997 · N2298Z · Bell 412 · Main Rotor Indicating SystemSDR HEEA0011990Indicator · failedENG OIL TEMP/PRESS READS LOW OIL PRESSURE.Nov 13, 1997 · N108X · Bell 412 · Engine Oil PressureSDR HEEA0011988Engine · failedENGINE COMPRESSOR STALLS. SENT TO PRATT AND WHITNEY FOR EXCHANGE.Nov 13, 1997 · N33008 · Bell 412 · Turbine SectionSDR HEEA0011984Combining Gr Box · failedNOISE IN NR1 SIDE OF GEARBOX.Nov 13, 1997 · N3893P · Bell 412 · Turbine Engine Reduction GearSDR HEEA0011978Cvr · failedCVR TEST LIGHT ON CONSTANTLY.Nov 12, 1997 · N107X · Bell 412 · Audio/Video MonitoringSDR HEEA0011977Housing Assy · mismanufacturedMISMANUFACTURED, SEAT FOR RELIEF VALVE NOT FINISHED. OIL PRESSURE SLOW TO COME UP AND LOW AT 100%. REMOVED FROM ENGINE S/N CPPS-TB0040 AT ENGINE TOTAL TIME 80:00. REPLACEMENT HOUSING AND BUILD UP PARTS WERE RECEIVED AGAINST OUR RO#8077 AND SO#S:600971 AND 0Nov 12, 1997 · N3911L · Bell 412 · Turbine Engine Oil SystemSDR HEEA0011971Blade · defectiveBLADE SKIN LIFTED AT END CAP AND VOID ON END CAP.Nov 12, 1997 · N21498 · Bell 412 · Tail Rotor BladesSDR HEEA0011970Receiver · failedADF WILL NOT RECEIVE FOR VERY LONG.Nov 12, 1997 · N3893N · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA0011969Transceiver · failedTRANSCEIVER WEAK AND UNREADABLE, NO TRANSMIT.Nov 12, 1997 · N2258F · Bell 412 · VHF Communications SystemSDR HEEA0011965Indicator · failedPILOT REPORTED RADAR IMAGE OCCASSIONALLY DISTORTED AND BROKEN. WHEN UNIT WAS TURNED ON FOR TROUBLESHOOTING, SCREEN WOULD NOT COME ON (STAYED BLANK EVEN AFTER A LONG-UP PERIOD. REPLACED WITH SERVICEABLE PART.Nov 12, 1997 · N3911L · Bell 412 · Weather Radar SystemSDR HEEA0011952Cap Assy Aft · deterioratedAFT CAP ASSY DETERIORATED RUBBER.Nov 12, 1997 · N3893N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0011951Case Assy · corrodedXMSN CASE ASSY CORROSION ON TOP FLANGE AND PILOT DIAMETER WORN.Nov 12, 1997 · Bell 412 · Main Rotor GearboxSDR HEEA0011950Actuator · inoperativeSTEP ACTUATOR INOPERATIVE.Nov 12, 1997 · N108X · Bell 412 · Entrance StairsSDR HEEA0011949Actuator · bindingSTEP ACTUATOR BINDS UP AND POPS CIRCUIT BREAKER.Nov 12, 1997 · N293CA · Bell 412 · Entrance StairsSDR HEEA0011948Actuator · corrodedACTUATOR CANNON PLUG CORRODED. WIRE TOO SHORT TO REPLACE CANNON PLUG.Nov 12, 1997 · N2261D · Bell 412 · Engine Air Intake SystemSDR HEEA0011947Actuator · inoperativeACTUATOR INOPERATIVE.Nov 12, 1997 · N2149S · Bell 412 · Main Rotor ControlSDR HEEA0011936Temp Control · failedTEMP CONTROL MOTOR RUNNING BUT DRIVE SHAFT NOT TURNING.Nov 12, 1997 · N21498 · Bell 412 · Cabin Temperature Control SystemSDR HEEA0011935Signal Cond · failedL/H SIDE FULL GAUGE READS ZERO.Nov 12, 1997 · N141PH · Bell 412 · Fuel Indicating SystemSDR HEEA0011934Actuator Rotary · defectiveROTARY ACTUATOR BRAKE WILL NOT RELEASE PROPERLY.Nov 12, 1997 · N1202T · Bell 412 · Main Rotor ControlSDR HEEA0011928Control Display · defectiveXPONDER CONTROL LIGHTS DIM FOR DAY USE. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY DIM. REPLACED V101 PHOTOCELL. REPAIRED. BENCH CHECK GOOD.Nov 10, 1997 · N22347 · Bell 412 · ATC Transponder SystemSDR HEEA0011890Strobe Light · failedSTROBE INOPERATIVE.Nov 10, 1997 · N2149S · Bell 412 · Exterior LightingSDR HEEA0011889Strobe Light · failedSTROBE POWER SUPPLY INOPERATIVE.Nov 10, 1997 · N2149S · Bell 412 · Exterior LightingSDR HEEA0011884Valve · failedFUEL SOV INOPERATIVE.Nov 10, 1997 · N7128R · Bell 412 · Fuel Selector/Shut-Off ValveSDR HEEA0011876Bolt Threads · strippedOIL PUMP BOLT THREADS STRIPPED OUT OF GEARBOX AND EXCESSIVE CHAFING ON GEARBOX.Nov 10, 1997 · N5759N · Bell 412 · Turbine Engine Reduction GearSDR HEEA0011853Gps165 · defectiveGPS INTERNAL BATTERY NEEDS REPLACEMENT. FOUND MESSAGE TO DISPLAY "EXTERNAL BATTERY OVERTEMP".Nov 10, 1997 · N2148K · Bell 412 · Global Positioning SystemSDR HEEA0011851Indicator · failedATTITUDE INDICATOR WON'T STAY ERECT IN AIRCRAFT. TIME SINCE REPAIR 77:05.Nov 10, 1997 · N1202T · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0011850Battery · failedBATTERY PACK WILL NOT ACCEPT CHARGE.Nov 7, 1997 · N6559Z · Bell 412 · Battery/Charger SystemSDR HEEA0011849Battery · defectiveBATTERY PACK WILL NOT PASS CAPACITY TEST.Nov 7, 1997 · N2298Z · Bell 412 · Battery/Charger SystemSDR HEEA0011838Panel Assy · dentedRT PANEL ASSY DENTED BEYOND LIMITSNov 7, 1997 · N2261D · Bell 412 · Fuselage Miscellaneous StructureSDR HEEA0011833Cap Assy · wornCAP ASSY FWD WORN RUBBER.Nov 7, 1997 · N3893N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0011831Cap Assy · wornCAP ASSY AFT WORN RUBBER.Nov 7, 1997 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0011828Tarsyn · defectiveTARSYN DOES NOT STABILIZE. FAILED TEST 3.1 ON SST BENCH.Nov 7, 1997 · N1202T · Bell 412 · Autopilot SystemSDR HEEA0011827Tarsyn · failedDIRECTIONAL GYRO WILL NOT TURN COMPASS CARD ON HSI AND OFF FLAG WILL NOT PULL ON HSI.Nov 7, 1997 · N6559Z · Bell 412 · Autopilot SystemSDR HEEA0011820Case Assy · corrodedCASE ASSY CORROSION ON MOUNTING FLANGE.Nov 7, 1997 · N107X · Bell 412 · Tail Rotor GearboxSDR HEEA0011819Sleeve Assy · corrodedSLEEVE ASSY HAS CORROSION ON FLANGE AREA.Nov 7, 1997 · N21498 · Bell 412 · Tail Rotor GearboxSDR HEEA0011818Engine · crackedENGINE POWER SECTION HAS A CRACK IN GENERATOR CASE.Nov 7, 1997 · N107X · Bell 412 · Turbine Section
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