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 97ZZZX2376Coupling · pittedACFT TT 2,225.8 HOURS. ON A 6-MONTH (180 DAY) INSPECTION, M/D/SHAFT WAS REMOVED FOR INSPECTION AND REPACK OF GREASE COUPLINGS. BOTH INNER GEARS AND BOTH OUTER COUPLINGS WERE FOUND WITH CORROSION AND PITTING. TOTAL TIME ON M/D/SHAFT WAS 91.3 HOURS SINCE NEW Mar 12, 1997 · N412WP · Bell 412 · Engine/Transmission CouplingSDR HEEA979164Door · defectiveDOOR WAS ON EVALUATION PROGRAM THROUGH BELL HELICOPTER TEXTRON.Mar 10, 1997 · N2258F · Bell 412 · Cargo/Baggage DoorsSDR HEEA979163Lower Cone Seat · mismanufacturedM/R LOWER CONE SEAT MISMANUFACTURED.Mar 10, 1997 · Bell 412 · Main Rotor HeadSDR HEEA979159Indicator · sticksFUEL QUANTITY INDICATOR RIGHT NEEDLE STICKS.Mar 7, 1997 · N107X · Bell 412 · Fuel Quantity IndicatorSDR 98ZZZX3603Blade · failedSHORTLY AFTER TAKEOFF, PILOT EXPERIENCED A SEVERE VIBRATION. PILOT LANDED IMMEDIATELY WITHOUT INCIDENT. TIP CAP HAD DEPARTED T/R BLADE. REF: BELL 412 IPC, CHAPTER 64-99-00, FIGURE 64-2, ITEM 15. COMPONENT P/N 212011701101FM1.Mar 2, 1997 · N293CA · Bell 412 · Tail Rotor BladesSDR HEEA979135Gear Assy · mismanufacturedGEAR ASSY IMPROPERLY MACHINED, UNABLE TO INSTALL LOCKING CLIP P/N 204-040-231-001.Feb 21, 1997 · Bell 412 · Main Rotor GearboxSDR HEEA979125Actuator · failedSTEP ACTUATOR FAILED. TIME SINCE REPAIR 0:00.Feb 21, 1997 · N107X · Bell 412 · Entrance StairsSDR HEEA979122Receiver · errorsPROVIDING HAZARDOUSLY MISLEADING INFORMATION TO THE FLIGHT CREW IS A MAJOR FAILURE CONDITION FOR THE AIRCRAFT. SINGLE LATENT FAILURES OF CDI DEVIATION OUTPUT WIRES (SHORTED AND/OR OPEN) RESULT IN A NON-FLAGGED AND CENTERED DEVIATION BAR, INDICATINGAN ON-COURSFeb 19, 1997 · N1202T · Bell 412 · Localizer/VOR SystemSDR HEEA979121Receiver · errorsGPS RECEIVER PROVIDING HAZARDOUSLY MISLEADING INFORMATION TO THE FLIGHT CREW IS A MAJOR FAILURE CONDITION FOR THE AIRCRAFT. SINGLE LATENT FAILURES OF CDI DEVIATION OUTPUT WIRES (SHORTED AND/OR OPEN) RESULT IN A NON-FLAGGED AND CENTERED DEVIATION BAR, INDICATIFeb 19, 1997 · N1202T · Bell 412 · Global Positioning SystemSDR AU970397Boot · damaged(AUS) ENGINE TO TRANSMISSION DRIVESHAFT BOOT ASSEMBLY FAILED FOR APPROXIMATELY 50% OF CIRCUMFERENCEFeb 17, 1997 · Bell 412 · Engine/Transmission CouplingSDR HEEA979118Wiper · mismanufacturedMISMANUFACTURED. MATERIAL NOT CRIMPED PROPERLY WHEN INSTALLED.Feb 14, 1997 · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA979114Indicator · failedFUEL QUANTITY INDICATOR FIRST NUMBER DOES NOT LIGHT UP.Feb 11, 1997 · N107X · Bell 412 · Fuel Quantity IndicatorSDR HEEA979109Support · wornGIMBAL RING ATTACH. WORN EAR ON SUPPORT WILL NOT HOLD P/N 204-011-497-103 BUSHING AND WORE P/N 204-011-463-105 BOLT.Feb 11, 1997 · N23023 · Bell 412 · Main Rotor HeadSDR HEEA979103Gas Strut · failedGAS STRUT WILL NOT OPEN BAGGAGE DOOR.Feb 11, 1997 · N6559Z · Bell 412 · Cargo/Baggage DoorsSDR HEEA979099Control Box · defectiveCONTROL BOX DISPLAY STAYS DIM. PERFORMED PRELIMINARY INSPECTION. REPLACED V301 PHOTOCELL, TRANSFER SWITCH S301. REPAIRED. ALSO REPLACED CONNECTOR J5861. TOUCHED UP FACEPLATE. BENCH CHECK GOOD.Feb 11, 1997 · N21498 · Bell 412 · Dependent Position Determining SystemSDR HEEA979097Control Display · inoperativeTRANSPONDER IDENT BUTTON INOPERATIVE, DISPLAY UNCLEAR. PERFORMED PRELIMINARY INSPECTION. REPLACED PHOTOCELL V101 AND IDENT BUTTON S103 AND DISPLAY LENS. REPAIRED. BENCH CHECK GOOD.Feb 11, 1997 · Bell 412 · ATC Transponder SystemSDR HEEA979096Receiver · corrodedADF RECEIVER FRONT CONNECTOR CORRODED. PERFORMED PRELIMINARY INSPECTION AND REPLACED CORRODED FRONT CONNECTOR J8061 AND CLEANED CORROSION ON MAIN BOARD. CLEANED CORROSION AND BENCH CHECK GOOD.Feb 11, 1997 · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA979076Blade · crackedBLADE OUTBOARD LEADING EDGE ABRASION STRIP WITH A CHORDWISE CRACK NEAR THE INBOARD END. THE EROSION SHIELD HAS AN EXCESSIVE JAGGED EDGE NEAR THE TIP.Feb 11, 1997 · N23023 · Bell 412 · Main Rotor BladesSDR HEEA979075Blade · defectiveBLADE DEFECT, EXCESSIVE LATERAL VIBRATION -- UNABLE TO TRACK.Feb 11, 1997 · N3893S · Bell 412 · Main Rotor BladesSDR HEEA979074Blade · defectiveM/R BLADE HAS SKIN VOID ON THE LOWER SIDE WHICH STARTS FROM STATION 263" TO STATION 271" SPANWISE AND 2.5" CHORDWISE.Feb 11, 1997 · N3893S · Bell 412 · Main Rotor BladesSDR HEEA979073Blade · crackedT/R BLADE HAS PARTIAL CHORDWISE CRACK ON THE OUTBOARD LEADING EDGE ABRASION STRIP AT THE SPLICE AREA.Feb 11, 1997 · N23023 · Bell 412 · Main Rotor BladesSDR HEEA979069Ejector · ear brokenEJECTOR ASSY HAS TWO EACH EARS BROKEN ON BRACKETS. MANUFACTURED TWO EACH NEW BRACKETS.Feb 11, 1997 · N3893N · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA979068Ejector · ear brokenEJECTOR ASSY HAS ONE EACH BRACKET EAR BROKEN ON BRACKET. MANUFACTURED NEW BRACKET.Feb 11, 1997 · N2261D · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA979065Ejector · crackedEJECTOR IS CRACKED. AFT HAT BAND CRACKED BEYOND LIMITS APP. 2" LONG.Feb 11, 1997 · N2014K · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA979048Spindle · bearing unbondedBEARING UNBONDED FROM SPINDLE.Feb 11, 1997 · N108X · Bell 412 · Main Rotor HeadSDR HEEA979041Control Box · failedDISPLAY BAD. PERFORMED PRELIMINARY INSPECTION AND FOUND BLEEDOVER IN DISPLAY ON "X" AND ON #7. REPLACED DISPLAY DS101. NO HELP. SWAPPED INTEGRATED CIRCUITS I201,I202,I203 AND I204. NO HELP. REPLACED INTEGRATED CIRCUIT I205. REPAIRED. REPLACEDBROKEN RESIFeb 11, 1997 · N7128R · Bell 412 · Dependent Position Determining SystemSDR HEEA979030Control · malfunctionADF CONTROL TOO DIM. PERFORMED PRELIMINARY INSPECTION AND FOUND V301 PHOTOCELL NOT DIMMING AND S301 SWITCH INTERMITTENT. REPLACED V301 AND S301. REPAIRED. BENCH CHECK GOOD.Feb 10, 1997 · N33008 · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA979026Indicator · malfunctionRADAR INTERMITTENTLY GOES ON AND OFF. TIME SINCE REPAIR 2:50.Feb 10, 1997 · N293CA · Bell 412 · Weather Radar SystemSDR HEEA979025Indicator · defectiveRADAR INTERMITTENTLY GOES ON AND OFF, AND CYCLIC BUTTON NOT LIGHTING.Feb 10, 1997 · N293CA · Bell 412 · Weather Radar SystemSDR HEEA979024Indicator · failedNO INDICATION ON LAST START.Feb 10, 1997 · N7128R · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA979022Encoder · erraticENCODER HAS AN ERRATIC OUTPUT. TIME SINCE REPAIR 2:45.Feb 10, 1997 · N108X · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA979013Shaft Assy · out of balanceSHAFT ASSY SENT FOR REBALANCING.Feb 10, 1997 · N7128R · Bell 412 · Tail Rotor Drive ShaftSDR HEEA978998Valve · inoperativeVALVE INOPERATIVE.Feb 10, 1997 · N2298Z · Bell 412 · Fuel Selector/Shut-Off ValveSDR HEEA978972Crosstube · defectiveCROSSTUBE SPREADS WHEN AIRCRAFT HAS FULL LOAD.Jan 29, 1997 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA978964Ejector Assy · bracket brokeSIDE MOUNT BRACKET CRACKED OFF.Jan 29, 1997 · N3893P · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA978962Actuator Rotary · defectiveBRAKE DELAY ON RELEASE (ABOUT 6 SEC).Jan 29, 1997 · N3893L · Bell 412 · Main Rotor ControlSDR HEEA978961Actuator Rotary · defectiveCYCLIC BINDING LATERALLY.Jan 29, 1997 · N33008 · Bell 412 · Main Rotor ControlSDR HEEA978958Float Bag · leakingFLOAT BAG LEAKING DURING FLOAT INSPECTION.Jan 29, 1997 · N3893S · Bell 412 · Emergency Flotation SectionSDR HEEA978955Duct Assy · crackedRT DUCT ASSY IS CRACKED.Jan 29, 1997 · N108X · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA978954Duct Assy · crackedLT DUCT ASSY IS CRACKED.Jan 29, 1997 · N33008 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA978952Ejector Assy · crackedRT EJECTOR IS CRACKED.Jan 29, 1997 · N108X · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA978943Altimeter · erraticENCODE ALTIMETER INCONSISTENT OUTPUT. TIME SINCE REPAIR 1312:35.Jan 29, 1997 · N6559Z · Bell 412 · Altimeter, Barometric/EncoderSDR HAIW6HR0069Ring Assy · worn excessivelyPART IS WORN EXCESSIVELY. GIMBAL SUPPORT BUSHING AREA ELONGATED.Jan 22, 1997 · N401MA · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA978888Indicator · sticksINDICATOR STICKS IN ROLL.Jan 14, 1997 · N2298Z · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA978886Fuel Cell · seepingFUEL CELL SEEPING FLUID.Jan 14, 1997 · N3893P · Bell 412 · Fuel StorageSDR HEEA978885Tarsyn · precessesTARSYN PRECESSES EXCESSIVELY.Jan 14, 1997 · N22608 · Bell 412 · Autopilot SystemSDR HEEA978882Indicator · sticksNEEDLE ON AIRCRAFT SIDE INTERMITTENTLY STICKS.Jan 14, 1997 · N22608 · Bell 412 · DC Indicating SystemSDR HEEA978879Transmitter · defectiveBURNS OUT FUSE ON COMPENSATION. ERRATIC OUTPUT ON PIN C.Jan 14, 1997 · N3893P · Bell 412 · Directional Gyro and Indicating SystemSDR HEEA978876Tarsyn · defective#1 AFCS KICKS OCCASIONALLY.Jan 14, 1997 · N3893N · Bell 412 · Autopilot SystemSDR HEEA978866Bolt · coating flakeTUNGSTEN COATING BEING FLAKED OFF. SERIAL NUMBERS REMOVED ARE A21, A837, AND A866.Jan 14, 1997 · N3893N · Bell 412 · Main Rotor Head
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