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 HEEA086643Skid · crackedSKID TUBE CRACKED AT LOW RING MOUNT HOLE.May 21, 2003 · N7128R · Bell 412 · Wheel/Ski/FloatSDR HEEA086642Float · leakingMLG EMERGENCY FLOAT BAG LEAKING.May 21, 2003 · N2149S · Bell 412 · Emergency Flotation SectionSDR HEEA086641Float · leakingEMERGENCY FLOAT LEAKING.May 21, 2003 · N2149S · Bell 412 · Emergency Flotation SectionSDR HEEA086640Float · looseMLG EMERGENCY FLOAT REINFORCEMENTS LOOSE.May 21, 2003 · N2149S · Bell 412 · Emergency Flotation SectionSDR HEEA086639Cap · wornCAP HAS RUBBER WORN.May 21, 2003 · N142PH · Bell 412 · Main Rotor BladesSDR HEEA086638Blade · debondedLOWER FRETTING PADS IS UNBONDED, THE TRAILING EDGE POCKET AT THE ROOT HAS WATER TRAPPED INSIDE. SENT TO ROTOR BLADES, INC. FOR INSPECTION AND REPAIR.May 21, 2003 · N22347 · Bell 412 · Main Rotor BladesSDR HEEA086637Blade · separatedAFT FRETTING PADS ON BOTH SURFACE SEPARATED, MID SPAN AND INBOARD TRIM TAB UNBONDED, EROSION SHIELD HAS SOME SEPARATION. SENT TO ROTOR BLADES, INC. FOR INSPECTION AND REPAIR.May 21, 2003 · N800Y · Bell 412 · Main Rotor BladesSDR HEEA086636Bushing · wornBUSHING HAS WORN TEFLON. REPLACED BUSHING 412010420101 DUE TO TEFLON WORN. REPAIRED.May 21, 2003 · N415A · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA086635Bearing · wornMAIN ROTOR LINK HAS WORN BEARINGS. REPLACED 4 EACH BEARINGS 412310400107 DUE TO WORN. REPAIRED.May 21, 2003 · N3911L · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA086634Bearing · wornMAIN ROTOR LINK HAS WORN BEARINGS. REPLACED 4 EACH BEARINGS 412-310-400-107 DUE TO WORN. REPAIRED.May 21, 2003 · N2298Z · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA086633Fitting · cloggedPLUGGED GREASE FITTING, WON'T TAKE GREASE. REPAIRED.May 21, 2003 · N107X · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA086632Bearing · wornWORN BEARING. REPLACED BEARING 412010427101 DUE TO WORN. REPAIRED.May 21, 2003 · N3911L · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA086631Bearing · wornMAIN ROTOR PENDULUM ASSY HAS PLAY IN BEARING. REPAIRED.May 21, 2003 · N415A · Bell 412 · Main Rotor HeadSDR HEEA086630Bearing · wornMAIN ROTOR PENDULUM ASSY HAS PLAY IN BEARING. REPAIRED.May 21, 2003 · N415A · Bell 412 · Main Rotor HeadSDR HEEA086629Bearing · roughMAIN ROTOR PENDULUM ASSY BEARING HAS ROUGHNESS. REPAIRED.May 21, 2003 · N21498 · Bell 412 · Main Rotor HeadSDR HEEA086628Bearing · wornPLAY IN BEARING OF MAIN ROTOR HEAD. REPAIRED.May 21, 2003 · N415A · Bell 412 · Main Rotor HeadSDR HEEA086627Bearing · wornMAIN ROTOR HEAD HAVE PLAY IN BEARING. REPAIRED.May 21, 2003 · N415A · Bell 412 · Main Rotor BladesSDR HEEA086626Bearing · weakMAIN ROTOR HEAD BEARINGS WEAK. REPLACED DAMPER SET 412010145105 ( 2 EA), S/N LK3098 AND LK3109 DUE TO SEPARATING AND DROOP RESTRAINT NAS6607-D21 (4 EA) DUE TO WORN. REPAIRED.May 21, 2003 · N800Y · Bell 412 · Main Rotor HeadSDR HEEA086625Control Unit · splitUNCONTROLLABLE TORQUE SPLIT. TESTED AND FOUND SERVO VALVE LEAKAGE CAUSING UNEVEN FLOW BETWEEN SIDES. POLISHED SERVO VALVES AND LEVER. UNIT TESTED SATISFACTORY.May 21, 2003 · N142PH · Bell 412 · Fuel Controlling SystemSDR HEEA086624Bleed Valve · damagedBLEED VALVE DOES NOT SEAT PROPERLY WHEN CLOSED. CAUSING HIGH ITT.May 21, 2003 · N3911L · Bell 412 · Compressor Bleed ValveSDR HEEA086623Battery · dischargedBATTERY WON'T HOLD CHARGE. REPAIRED.May 21, 2003 · N33008 · Bell 412 · Battery/Charger SystemSDR HEEA086622Smoke Detector · will not testSMOKE DETECTOR WILL NOT TEST WITH SMOKE.May 21, 2003 · N21498 · Bell 412 · Smoke DetectionSDR HEEA086621Battery · dischargedWENT TO ZERO VOLTS BEFORE START. REPAIRED.May 21, 2003 · N3893P · Bell 412 · Battery/Charger SystemSDR HEEA086620Battery · weakBATTERY WEAK. REPAIRED.May 21, 2003 · N2298Z · Bell 412 · Battery/Charger SystemSDR HEEA086616Check Valve · leakingRT CYCLIC SERVO CHECK VALVE LEAKING.May 21, 2003 · N2014K · Bell 412 · Main Rotor ControlSDR HEEA086615Actuator · failedSTEP ACTUATOR WILL NOT RETRACT.May 21, 2003 · N2149S · Bell 412 · Entrance StairsSDR HEEA086612Duct · crackedEXHAUST STACK DUCT HAS LARGE CRACKS. REPLACED.May 21, 2003 · N2149S · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA086611Bearing · failedFWD TRIPOD BEARING BAD. REPLACED.May 21, 2003 · N415A · Bell 412 · Engine Mount SectionSDR HEEA086608Case · corrodedTAIL ROTOR GEARBOX CASE CORRODED.May 21, 2003 · N6559Z · Bell 412 · Tail Rotor GearboxSDR HEEA086607Bearing · wornWORN FEATHERING BEARINGS. REPLACED 4 EACH BEARINGS 205-012-710-001 DUE TO WORN. REPAIRED.May 21, 2003 · N33008 · Bell 412 · Tail Rotor HeadSDR HEEA086606Force Gradient · failedATT MODE FAILED 2 SECOND BEEP TEST. REPLACED CAP 212-001-046-003 DUE TO WORN; ACTUATOR 212-001-048-001 DUE TO WORN. REPAIRED.May 21, 2003 · N2298Z · Bell 412 · Main Rotor ControlSDR HEEA086605Fire Loop · failedNR 2 ENGINE FIRE HARNESS CONTROL UNIT INTERMITTENTLY WON'T TEST OR LIGHT DELAYS.May 21, 2003 · N2014K · Bell 412 · Fire DetectionSDR HEEA086604Ammeter · sticksNR 2 SIDE STICKS WHEN GEN IS BROUGHT ON LINE.May 21, 2003 · N2261D · Bell 412 · DC Indicating SystemSDR HEEA086603Gauge · corrodedCORROSION ON PRESSURE GAUGE. REPLACED PRESSURE GAUGE 2725-709 DUE TO CORROSION. REPAIRED.May 21, 2003 · N6559Z · Bell 412 · Extinguishing SystemSDR HEEA086602Oil Cooler · vibratesHIGH VIBRATION. REPAIRED.May 21, 2003 · N142PH · Bell 412 · Engine Oil CoolerSDR HEEA086601Bearing · looseBEARING SPINS IN HOUSING; MAKING MUD. REPLACED BEARING 9104-NPP DUE TO WORN; BEARING W202PP DUE TO WORN. REPAIRED.May 21, 2003 · N6559Z · Bell 412 · Engine Oil CoolerSDR HEEA086600Actuator · stuckACTUATOR STUCK AND CIRCUIT BREAKER KEEPS POPPING.May 21, 2003 · N142PH · Bell 412 · Engine Air Intake SystemSDR HEEA086599Switch · leakingSWITCH LEAKING - RIVETS ARE LOOSE. SCRAPPED.May 21, 2003 · N107X · Bell 412 · Fuel Pressure IndicatorSDR HEEA086598Adapter · corrodedCORROSION AND WORN. SENT TO H-S TOOL & PARTS FOR INSPECTION AND REPAIR.May 21, 2003 · N3893P · Bell 412 · Main Rotor BrakeSDR HEEA086596Indicator · malfunctionedCOPILOT HSI COURSE HEADING KNOB BINDING.May 21, 2003 · N2014K · Bell 412 · Integrated Flight SystemSDR HEEA086595Display · malfunctionedDISPLAY TOO DIM TO READ DURING DAYLIGHT. REPLACED V101 PHOTOCELL, DISPLAY LENS. REPAIRED. BENCH CHECK GOOD.May 21, 2003 · N107X · Bell 412 · ATC Transponder SystemSDR HEEA086594Control Unit · intermittentDISPLAY IS INTERMITTENT. SCRAPPED UNIT.May 21, 2003 · N107X · Bell 412 · ATC Transponder SystemSDR HEEA086593Circuit Board · corrodedPA AMP HAS CORROSION. FOUND CORROSION ON PC BOARD. UNIT WORKS INTERMITTENTLY, CONNECTOR P2 AND PINS BAD, UNIT COVER BAD. CLEANED CORROSION ON PC BOARD, REPLACED CONNECTOR P2, PINS AND UNIT COVER. REPAIRED. BENCH CHECK GOOD.May 21, 2003 · N22347 · Bell 412 · Entertainment SystemSDR CA030926006Cap · fractured(CAN) FUEL DRIPPED FROM THE AFCU AND ENTERED THE CABIN OF THE AIRCRAFT. POST FLIGHT TROUBLESHOOTING IDENTIFIED A MAJOR LEAK FROM THE ALUMINUM CAP PLUG ON THE SIDE OF THE AFCU. EXAMINATION HAS IDENTIFED THAT THE FRACTURE IS DUE TO LCF. THE EXACT TOTAL TIME OF TMay 20, 2003 · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA088480Bearing · wornBEARING WORN. REPLACED ( 2 EACH) SUPPORT 204-001-330-005 DUE TO CORROSION; BEARING MS27646-45 DUE TO WORN. REPAIRED.May 19, 2003 · N7128R · Bell 412 · Main Rotor Drive SystemSDR ERAA087087Indicator · fluctuatesUNIT FLASHES ON AND OFF IN FLIGHT. UNIT WORKED WELL ON BENCH. HAS CORROASION ON INTERCONNECT BOARD. REMOVED CORROSION AND TESTED UNIT.May 16, 2003 · N418EH · Bell 412 · Attitude and Direction Data SystemSDR ERAA087085Spindle · damagedTHIS INFO FOR FAA SDR. M/R HEAD DUE ERA SPINDLE INSPECTION. SINDLE SN A-356 HAD THREAD DAMAGE BEYOND LIMITS IAW 412-CR AND 0 CH. 62 (SCRAPPED) C/A: REMOVED SPINDLES AND VISUALLY INSPECTED ALL PARTS. C/W ERA SPINDLE INSPECTION AND TB 412-03-190. INSPECTEDMay 15, 2003 · N169EH · Bell 412 · Main Rotor HeadSDR ERAA087084Blade · damagedTHIS INFO FOR FAA SDR. HOLE IN BLADE TIP AND FEATHERING BEARINGS LOOSE. PITCH HORN BUSHINGS MISSING. FEATHERING BEARINGS WORN AND BLADE HAD VOID AT TIP. TRUNNION BEARINGS HAD SOME ROUGHNESS. ACTION TAKEN: DISASSEMBLED, CLEANED & VISUALLY INSPECTED PARTS.May 15, 2003 · N164EH · Bell 412 · Tail Rotor BladesSDR ERAA087083Blade · damagedTAIL ROTOR ASSY HAS HOLE IN BLADE TIP. TAIL ROTOR BLADE SN A-9675 HAS VOID AT TIP. REMOVED BLADES FROM YOKE ASSY. INSTALLED SERVICEABLE BLADE SN A-10483 AND TOUCHED UP PAINT ON BLADE SN 9724. CHECKED TRUNNION CENTERING AND PURGE LUBED . ASSEMBLED AND BALMay 15, 2003 · N164EH · Bell 412 · Tail Rotor BladesSDR ERAA087082Servo · vibrationTAIL ROTOR SERVO HAS HIGH FREQ BUZZ IN TAIL ROTOR PEDALS WITH HYD SYSTEM TURNED ON. HAS CYLINDER WEAR, INTERNAL LEAKAGE ON PILOT VALVES REPLACED CYLINDER AND PILOT VALVES TESTED IAW CMM.May 15, 2003 · N418EH · Bell 412 · Rotorcraft Servo System
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