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 HEEA967723Cvr · defectiveCVR HAS HIGH PITCH SQUEAL ON TAPE.Aug 30, 1996 · N2298Z · Bell 412 · Audio/Video MonitoringSDR HEEA967712Cvr · wont testCVR DOES NOT TEST. TIME SINCE REPAIR 165:25.Aug 29, 1996 · N108X · Bell 412 · Audio/Video MonitoringSDR HEEA967704Blade · sep[aratedBLADE FRETTING PADS ON THE UPPER SURFACE ARE SEPARATED BEYOND LIMITS.Aug 29, 1996 · N3911L · Bell 412 · Main Rotor BladesSDR HEEA967703Blade · crackedBLADE IS CRACKED. (TWO CHORDWISE CRACKS ON THE OUTBOARD LEADING EDGE STRIP. THE FIRST CRACK IS AT STATION 180" WHICH IS COMPLETELY CHORDWISE. THE SECOND CRACK IS AT STATION 199.5 WHICH IS ONLY A PARTIAL CHORDWISE CRACK.Aug 29, 1996 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA967691Case Assy · port missingT/R GEARBOX REMOVED DUE TO METAL IN OIL. FOUND OUTPUT DUPLEX BEARING P/N 212-040-456-001, S/N J6885, T.T. 1669:25 SPALLED. LUBRICATION PORT TO FEED BEARING, NOT PRESENT IN ABOVE MENTIONED CASE ASSY, CAUSING BEARING FAILURE.Aug 22, 1996 · N3893P · Bell 412 · Tail Rotor GearboxSDR HEEA967687Crosstube · defectiveCROSSTUBE SPREADS EXCESSIVELY AT GROSS WEIGHT.Aug 22, 1996 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA967679Indicator · reads lowGEAR BOX TEMP/ PRESS INDICATES LOW PRESSURE.Aug 16, 1996 · N3893N · Bell 412 · Engine Oil PressureSDR HEEA9676787000 Rcu · defectiveLORAN WARNING ADVISORY LIGHT 5 AND DID NOT SELF TEST.Aug 16, 1996 · N3893P · Bell 412 · Long-Range Navigation (LORAN) SystemSDR HEEA967674Indicator · stuckITT NEEDLE STUCK ON ZERO, WON'T INDICATE.Aug 16, 1996 · N3893P · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA967673Indicator · sticksITT INDICATOR NEEDLE STICKS ON ZERO DURING START.Aug 16, 1996 · N33008 · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA967664Crosstube · damagedCUT MARKS AROUND MOUNTING PADS. NO DAMAGE ALLOWED IN THIS AREA.Aug 16, 1996 · N2014K · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA967662Cvr · inoperativeCVR WILL NOT WORK.Aug 16, 1996 · N21498 · Bell 412 · Audio/Video MonitoringSDR HEEA967659Spindle · bearing failedSPINDLE NEEDS BEARING REPLACEMENT.Aug 16, 1996 · N3893P · Bell 412 · Main Rotor HeadSDR HEEA967658Spindle · unbondedSPINDLE UNBONDED.Aug 16, 1996 · N3893P · Bell 412 · Main Rotor HeadSDR HEEA967642Cvr · wont testCVR DOES NOT TEST.Aug 8, 1996 · N22347 · Bell 412 · Audio/Video MonitoringSDR HEEA967640Blade · crackedBLADE IS CRACKED. (SPANWISE CRACK ON THE TRAILING EDGE STRIP CENTER AT STATION 242" APPROXIMATELY 1 1/4" IN LENGTH. SENT TO COMPOSITE TECHNICS FOR INSPECTION AND REPAIR.Aug 8, 1996 · N33008 · Bell 412 · Main Rotor BladesSDR HEEA967615Receiver · failed2182 TO 2189 FREQUENCY NOT IN SPECS IN "ANT" MODE. (NO NEEDLE DEFLECTION)Jul 31, 1996 · N2149S · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA967613Control Unit · defectiveDISPLAY BLINK INTERMITTENT. DISPLAY DIM. REPLACED V101 PHOTOCELL. REPAIRED. BENCH CHECK GOOD.Jul 31, 1996 · N108X · Bell 412 · VHF Communications SystemSDR HEEA967611Indicator · defectiveDME INDICATOR DIGITS ON DISPLAY WILL NOT BRIGHTEN UP.Jul 31, 1996 · N6559Z · Bell 412 · DME/TACAN SystemSDR HEEA967598Control Box · defectiveDISPLAY FLICKERS. REPLACED DISPLAY (DS302) P/N 037-0084-00. REPAIRED. BENCH CHECK GOOD.Jul 31, 1996 · N2148K · Bell 412 · Dependent Position Determining SystemSDR HEEA967577Crosstube · damagedDAMAGE TO AREAS OF CROSSTUBE NOT ALLOWED AS PER BHT 412- CR&O-2 CHAP. 32, FIGURE 32-1, PAGE 7. SENT TO AIRBORNE SUPPLY, INC. FOR WARRANTY REPAIR OR EXCHANGE.Jul 10, 1996 · N2149S · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA967569Tarsyn · malfunctionTARSYN WON'T SLAVE AND PRECESSES CONSTANTLY. TIME SINCE REPAIR 489:10.Jul 10, 1996 · N107X · Bell 412 · Autopilot SystemSDR HEEA967528Indicator · inoperativeRATE TURN INDICATOR INOPERATIVE.Jul 9, 1996 · N2149S · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA967525Dual Ammeter · fluctuates#1 NEEDLE FLUCTUATES WHEN VIBRATED & INTERMITTENTLY STICKS AT ZERO. TIME SINCE REPAIR 29:35.Jul 5, 1996 · N7128R · Bell 412 · DC Indicating SystemSDR HEEA967523Inverter · trips breakerPOPS CIRCUIT BREAKER.Jul 5, 1996 · N22608 · Bell 412 · AC InverterSDR HEEA967522Case Assy · corrodedPART IS CORRODED. (CORROSION IN LARGE BOLT HOLES AND PITTING ON MOUNTING SURFACE.Jul 5, 1996 · N33008 · Bell 412 · Main Rotor GearboxSDR HEEA967495Crosstube · failedUPON LANDING AT OFFSHORE PLATFORM, AS COLLECTIVE WAS BEING LOWERED, LOUD CRACK WAS HEARD AND AIRCRAFT SETTLED RIGHT, REAR. POWER WAS APPLIED (COLLECTIVE), IN A HOVER MECHANIC ON PLATFORM CONFIRMED BROKEN CROSSTUBE. AIRCRAFT RETURNED TO SHORE BASEAND LANDED OJul 2, 1996 · N3893P · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA967470Indicator · erraticPILOT REPORTED TEMPERATURE FLUX OF 40 DEGREE IN FLIGHT.Jun 21, 1996 · N2149S · Bell 412 · Main Rotor GearboxSDR HEEA967469Bolt · coat flakeBOLTS HAVE COATING FLAKING. SERIAL NUMBERS REMOVED ARE A701, A746, AND A603.Jun 21, 1996 · N108X · Bell 412 · Main Rotor HeadSDR HEEA967460Indicator · failed#2 NEEDLE WON'T COME UP.Jun 21, 1996 · N108X · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA967437Spindle · debondedDAMPER BEARING UNBONDED.Jun 21, 1996 · N107X · Bell 412 · Main Rotor HeadSDR HEEA967429Transceiver · defectiveDISPLAY DIM AND LENS FADED.Jun 21, 1996 · N3893S · Bell 412 · VHF Communications SystemSDR ERAA96254M/R Head · defectiveLOWER CONE SEAT WAS INSTALLED IN AC 416EH AND HAD TO BE REMOVED BECAUSE IT WAS NOT PROPERLY TAPPED & THREADED FOR LOWER CONE HOLES. RETURNED LOWER CONE SEAT PART REF ERA MMIR# ERAA000248.Jun 20, 1996 · N416EH · Bell 412 · Main Rotor HeadSDR 96ZZZX3636Mast · misoverhauledMAST RECEIVED FROM BELL AS SERVICEABLE REPAIRED. FOLLOWING DISCREPANCIES FOUND ON RECEIVING INSPECTION: 1. THE WORD 'REWORKED' NEVER WAS ENGRAVED ON FLANGE 'E' AS STATED ON BHT-C. R AND O MANUAL, SECTION 63-00-00, PAGE 62, PARAGRAPH 1, FIGURE 63-17. 2. INJun 19, 1996 · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA96249Bearing · wornBEARINGS ARE WORN BEYOND LIMITS.Jun 18, 1996 · N412EH · Bell 412 · Main Rotor Mast/SwashplateSDR ERAA96248Lower Cone Seat · mis mfgNEW LOWER CONE SEAT THAT HAS TWO BOLT HOLES THAT ARE NOT THREADED.Jun 18, 1996 · N416EH · Bell 412 · Main Rotor HeadSDR HEEA967418Cvr · defectiveTRANSCRIPTION OF CVR TAPES UNSATISFACTORY.Jun 14, 1996 · N33008 · Bell 412 · Audio/Video MonitoringSDR HEEA967417Cvr · wont testCVR WILL NOT TEST.Jun 14, 1996 · N22347 · Bell 412 · Audio/Video MonitoringSDR HEEA967416Cvr · inoperativeCVR INOPERATIVE.Jun 14, 1996 · N3893S · Bell 412 · Audio/Video MonitoringSDR 97ZZZX92Cone Seat · mismanufacturedMALFUNCTION: RECEIVED LOWER CONE SEAT FOR M/R HEAD THAT WAS NOT PROPERLY TAPPED AND THREADED. SUBMITTER SUGGESTION: THAT BELL QUALITY CONTROL CHECK LOWER CONE SEAT THOROUGHLY BEFORE SHIPPING TO CUSTOMER.Jun 12, 1996 · N416EH · Bell 412 · Main Rotor HeadSDR HEEA967369Transmitter · fluctuatesTRANSMITTER FLUCTUATES.Jun 5, 1996 · N2298Z · Bell 412 · Fuel Pressure IndicatorSDR HEEA967363Indicator · sticksINDICATOR STICKS ON PRESSURE AT 45 PSI.Jun 5, 1996 · N21498 · Bell 412 · Engine Oil PressureSDR HEEA967358Indicator · faultyATTITUDE INDICATOR WILLNOT REMAIN ERECT.Jun 5, 1996 · N107X · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA967357Indicator · precessesPRECESSES IN PITCH AND ROLL.Jun 5, 1996 · N107X · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA967338Gearbox · failedNR 2 ENGINE FAILED TO ENGAGE AFTER START, THEN ENGAGED WITH LOUD BANG AT N1 64 PERCENT.Jun 5, 1996 · N108X · Bell 412 · Turbine Engine Reduction GearSDR HEEA967334Indicator · sticksINDICATOR NEEDLE STICKS THROUGHOUT SCALE.Jun 4, 1996 · N2258F · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA967298Aneroid · erraticBAROMETRIC ANEROID UNIT HAS AN INCONSISTANT OUTPUT.May 31, 1996 · N2258F · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA967289Transceiver · defectiveTX AND RX BREAKS UP DURING ENGINE RUN-UP.May 30, 1996 · N2258F · Bell 412 · VHF Communications SystemSDR 96ZZZX3167Crosstube · failedAFTER LANDING AND ROLLING THROTTLES BACK TO GROUND IDLE WITH CREW AND 10 PASSENGERS ON BOARD, AIRCRAFT'S CROSSTUBE FRACTURED IN TWO RESULTING IN AIRCRAFT ROLLING TO THE LEFT. BROKEN SECTION OF TUBE CONTACTED HELIPORT PREVENTING AIRCRAFT FROM ROLLING OVER. FOMay 29, 1996 · N2148K · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA967263Cdu · defective7000 CDU BOTTOM LED BURNT OUT.May 22, 1996 · N2261D · Bell 412 · Long-Range Navigation (LORAN) System
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