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 HEEA063132Tarsyn 333 · malfunctionedTARSYN 333 CAUSES PITCH ROLL OSCILLATION IN AIRCRAFT.Jul 29, 1999 · N5759N · Bell 412 · Auto Flight SystemSDR HEEA063131Tarsyn 333 · malfunctionedHSI UNRELIABLE.Jul 29, 1999 · N3893N · Bell 412 · Auto Flight SystemSDR HEEA063130Tarsyn 333 · precessesTARSYN PRECESSING MOSTLY IN PITCH.Jul 29, 1999 · N141PH · Bell 412 · Auto Flight SystemSDR HEEA063129Tarsyn 333 · failedUNABLE TO DRIVE HSI WITH COMPASS CONTROL SPEX. EXP. DATE 1-19-99.Jul 29, 1999 · N23023 · Bell 412 · Auto Flight SystemSDR HEEA063126Actuator · inoperativeSTEP ACTUATOR INOPERATIVE.Jul 28, 1999 · Bell 412 · Entrance StairsSDR HEEA063082Actuator · malfunctionedSTEP ACTUATOR ONLY FUNCTIONS WHEN IT HAS NO LOAD. UNIT WILL NOT EXTEND AND RETRACT, AND WILL NOT RAISE THE WEIGHT OF THE STEP. SUBMITTER STATED THIRD FAULT FOUND WITH THIS UNIT.Jul 27, 1999 · N1202T · Bell 412 · Entrance StairsSDR HEEA063081Actuator · inoperativeSTEP ACTUATOR NOPERATIVE. TIME SINCE REPAIR 0:00 HOURS.Jul 26, 1999 · Bell 412 · Entrance StairsSDR HEEA062894Actuator · failedSTEP ACTUATOR WOULD NOT RAISE STEP TO FULL UP POSITION.Jul 16, 1999 · Bell 412 · Entrance StairsSDR HEEA062893Actuator · inoperativeSTEP ACTUATOR RECEIVED INOPERATIVE. ACTUATOR WILL NOT RETRACT.Jul 16, 1999 · N23023 · Bell 412 · Entrance StairsSDR HEEA062890Seat Track · mismanufacturedTRACK ASSY MISMANUFACTURED. OUTBOUND HOLES DO NOT LINE UP, MISDRILLED.Jul 15, 1999 · Bell 412 · Fuselage, Seat/Cargo Attach FittingsSDR 99ZZZX2840Blade · crackedTAIL ROTOR BLADE FAILED IN-FLIGHT. APPROXIMATELY 14 INCHES OF THE OUTBOARD END OF ONE TAIL ROTOR BLADE SEPARATED CAUSING AN IMBALANCE CONDITION WHICH CAUSED THE TAIL ROTOR ASSEMBLY AND TAIL ROTOR GEARBOX TO SEPARATE THE AIRCRAFT. ENGINEERING EVALUATION FOF TJul 15, 1999 · N3893S · Bell 412 · Tail Rotor BladesSDR CZMA082750Bearing · defectiveMAIN ROTOR HEAD BEARINGS BECAME UNSTAKED FROM DRIVE LINK REPLACED BEARINGS AS PER BHT CR & O V1Jul 13, 1999 · N911BE · Bell 412 · Main Rotor HeadSDR HEEA062883Vhf Comm · weakTRANSMITS AND RECEIVES WEAK AND BREAKS SQUELCH INTERMITTENTLY.Jul 13, 1999 · N800Y · Bell 412 · VHF Communications SystemSDR HEEA062881Gps · inoperativeGPS INOPERATIVE.Jul 13, 1999 · N7128R · Bell 412 · Global Positioning SystemSDR HEEA062879Indicator · inoperativeINDICATOR HAS NO DISPLAY.Jul 13, 1999 · N2014K · Bell 412 · Weather Radar SystemSDR HEEA062873Antenna · malfunctionedGPS SIGNAL INTERMITTENT.Jul 13, 1999 · N23023 · Bell 412 · Global Positioning SystemSDR HEEA062872Receiver · malfunctionedVHF NAV RECEIVER UNRELIABLE.Jul 13, 1999 · N2149S · Bell 412 · VHF Communications SystemSDR HEEA062866Blade · damagedF.O.D. HOLE IN LEADING EDGE OF BLADE.Jul 12, 1999 · N33008 · Bell 412 · Tail Rotor HeadSDR HEEA062864Blade · malfunctionedBLADE CLIMBS EXCESSIVELY.Jul 12, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA062863Blade · heavyBLADE CLIMBS EXCESSIVELY IN FLIGHT AND IS HEAVY.Jul 12, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA062856Radar Altimeter · failedRADAR ALTIMETER WILL NOT INDICATE ALTITUDE.Jul 12, 1999 · N7128R · Bell 412 · Ground Proximity SystemSDR HEEA062855Blade · won't trackBLADE WILL NOT TRACK.Jul 12, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA062854Deck · separatedSERVICE DECK SEPARATED BEYOND ALLOWABLE REPAIR.Jul 12, 1999 · N108X · Bell 412 · Fuselage Floor PanelSDR HEEA062833Relay · failedRELAY WILL NOT LET GENERATOR COME ON LINE. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N1202T · Bell 412 · DC Power Distribution SystemSDR HEEA062832Bearing · bindingBINDING IN CYCLIC WITH HYDRAULIC POWER ON. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N3893N · Bell 412 · Main Rotor HeadSDR HEEA062831Gearbox · damagedCOULD NOT MOUNT GEARBOX - FOUND STUDS BENT. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N22347 · Bell 412 · Tail Rotor GearboxSDR HEEA062824Controller · inoperativeSAS LIGHT INOPERATIVE ON AUTOPILOT CONTROL. SEGMENT LABEL MISSING.Jul 12, 1999 · N3911L · Bell 412 · Autopilot SystemSDR HEEA062823Indicator · precessingATTITUDE INDICATOR PRECESSES AND HORIZONTAL CONTROL KNOB CAUSES BALL TO REACT IN A SKIPPING MOTION.Jul 12, 1999 · N21498 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA062822Indicator · erraticATTITUDE INDICATOR WILL NOT ADJUST, ERRATIC IN FLIGHT.Jul 12, 1999 · N3893P · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA062821Indicator · failedPOWERS UP THEN SHUTS DOWN.Jul 12, 1999 · N1202T · Bell 412 · Weather Radar SystemSDR HEEA062818Cvr · failedCVR DOES NOT TEST.Jul 12, 1999 · N2298Z · Bell 412 · Audio/Video MonitoringSDR HEEA062817Gps · failedGPS WILL NOT TURN ON.Jul 12, 1999 · N3893N · Bell 412 · Global Positioning SystemSDR HEEA062815Control Unit · inoperativeCONTROL UNIT NOPERATIVE.Jul 12, 1999 · N21498 · Bell 412 · DC Generating SystemSDR HEEA062803Transceiver · malfunctionedTRANSCEIVER DOES NOT RECEIVE.Jul 12, 1999 · N3893P · Bell 412 · DME/TACAN SystemSDR HEEA062800Vhf Comm · malfunctionedTRANSCEIVER STAYS ON TRANSMIT ALL THE TIME.Jul 12, 1999 · N141PH · Bell 412 · VHF Communications SystemSDR HEEA062779Governor · malfunctionedGOVERNOR CAUSING SURGING ON ENGINE.Jul 12, 1999 · N2298Z · Bell 412 · Turbine GovernorSDR CZMA082749Spindle · defectiveBLADE TRACKING ABOUT 2 FT TO LOW REPLACED SPINDLE ASSY WHICH WAS INCORRECTLY MANUFACTUREDJun 28, 1999 · N911BE · Bell 412 · Main Rotor HeadSDR CZMA082748Gearbox · making metalEXCEESIVE METAL DEPOSITS ON CHIP DETECTOR REPLACED GEARBOX WITH NEW PART FROM MANUFACTURERJun 28, 1999 · N911BE · Bell 412 · Tail Rotor GearboxSDR 99ZZZX2598Wire · deterioratedDURING PERFORMANCE OF A 300 HOUR/180 DAY INSPECTION, NOTED NUMEROUS AREAS IN THE ENGINE COMPARTMENT AND IN THE MAIN TRANSMISSION AREA WHERE THE 'YELLOW' COLORED WIRING INSULATION WAS CRACKED, SPLIT, AND FALLING OFF THE WIRING. FURTHER INVESTIGATION REVEALED TJun 21, 1999 · N411DE · Bell 412 · Electrical Power System WiringSDR HEEA062554Actuator · malfunctionedSTEP ACTUATOR IN THE EXTENDED POSITION, MOTOR WILL NOT RETRACT WITH A CORD ON IT, INTERMITTENT.Jun 18, 1999 · Bell 412 · Entrance StairsSDR CZMA082747Bolt · brokenUPPER LEFT TAILBOOM ATTACH BOLT SNAPPED DURING CRUISE/DESCENT FLIGHT. REMOVED T/B, INSPECTED AIRFRAME AND T/B ATTACH POINTS FOR ALIGNMENT, ZYGLOED FITTINGS, REPLACED ALL BOLTSJun 9, 1999 · N412BE · Bell 412 · Rotorcraft Tail BoomSDR ERAA062567Retainer · flakingNEW RETAINERS ISSUED TO AIRCRAFT, BUT COULD NOT BE INSTALLED. RETAINERS HAVE SILVER COATING FLAKING ON GROUND RUN.Jun 2, 1999 · N168EH · Bell 412 · Main Rotor HeadSDR 99ZZZX2498Inverter · failedAPPROXIMATELY 15 MINUTES AFTER DEPARTURE, A SMELL OF BURNED WIRE FUMES WAS NOTICED IN THE AIRCRAFT. AIRCRAFT ROUTED TO INTERCOSTAL CITY. UPON LANDING, MECHANICS FROM LAKE CHARLES COMPLETED A TROUBLESHOOTING PROCEDURE. INVERTER WAS FOUND TO HAVE 2 BURNED DIOMay 27, 1999 · N421EH · Bell 412 · AC InverterSDR ERAA062392Indicator · malfunctionedREPAIRED AND MODIFIED 10-19-98 BY HONEYWELL REF NR 28446. LIGHT INOPERABLE.May 13, 1999 · N417EH · Bell 412 · Ground Proximity SystemSDR ERAA062387Flow Divider · crackedFLOW DIVIDER COULD NOT BE INSTALLED DUE TO CRACK AT OUTLET END OF DUMP FITTING. FLOW DIVIDER WAS SENT TO KANSAS AVIATION FOR SAME PROBLEM AND WAS INSPECTED AND TESTED AND RETURNED TO ERA 12-29-98 UNREPAIRED.May 7, 1999 · N177EH · Bell 412 · Fuel HeaterSDR ERAA062379Cap · crackedLEFT SPAR CAP IS CRACKED.May 4, 1999 · N415EH · Bell 412 · Wing SparSDR AU990347Arm · cracked(AUS) RESCUE HOIST MOUNTING ARM ASSEMBLY CRACKED IN THE FORWARD OUTBOARD RADIUS OF THE OUTBOARD MOUNTING FOOT.Apr 14, 1999 · Bell 412 · Fuselage, Seat/Cargo Attach FittingsSDR AU990329Pin · loose(AUS) RIGHT TRANSMISSION COWLING HINGE PIN MIGRATED OUT AND CONTACTED ALL FOUR MAIN ROTOR PITCH LINK ROD ASSEMBLIES CAUSING DAMAGE BEYOND LIMITS.Apr 10, 1999 · Bell 412 · Nacelle/Pylon StructureSDR HEEA061780Skid · damagedSKID TUBE RIPPLED NEAR FORWARD SADDLE AT LOWER PART OF TUBE AT BEND.Apr 8, 1999 · Bell 412 · Main Landing GearSDR HEEA061779Indicator · damagedCSI HAD LOOSE INTERNAL PART. TIGHTENED 3 EACH LOOSE SCREWS. REPAIRED. ALSO ADJUSTED RESOLVER AND VOR/LOC METER NEEDLE MOVEMENT. BENCH CHECK GOOD.Apr 8, 1999 · N23023 · Bell 412 · Flight Management Computing Hardware System
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