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 HEEA0010994Indicator · intermittentATTITUDE INDICATOR INTERMITTENT. TIME SINCE REPAIR 0:00.Sep 10, 1997 · N142PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0010988Detector · malfunction#1 ENGINE OUT LIGHT ON IN FLIGHT.Sep 9, 1997 · N142PH · Bell 412 · Engine RPM Indicating SystemSDR HEEA0010986Spar · damagedR/H SIDE OF SPAR 1/8" SHORTER THAN EXISTING SPAR. DAMAGE TOP L/H RADIUS AS MARKED IN RED.Sep 9, 1997 · Bell 412 · Vertical Stabilizer, Spar/RibSDR HEEA0010985Spar · damagedR/H SIDE OF SPAR 1/8" SHORTER THAN EXISTING SPAR. DAMAGE TOP L/H RADIUSSep 9, 1997 · Bell 412 · Vertical Stabilizer, Spar/RibSDR HEEA0010857Switch · failedNO POWER TO AUX. FUEL SYSTEM. SWITCH FAILED.Aug 21, 1997 · N3893P · Bell 412 · Aircraft Fuel Distribution SystemSDR HEEA0010849Heater Assy · faultyOIL IN FUEL WHEN SUMPING (POSSIBLE INTERNAL LEAK)Aug 21, 1997 · N3911L · Bell 412 · Heating SystemSDR HEEA0010832Cartridge · leaksFUEL CARTRIDGE LEAKS FUEL FROM CARTRIDGE "O" RINGS. CARTRIDGE WAS REMOVED AND NEW "O" RINGS INSTALLED, BUT PUMP WOULD PUT OUT ONLY 4 PSI PRESSURE.Aug 21, 1997 · N1202T · Bell 412 · Fuel Boost PumpSDR HEEA0010829Actuator · failedSTEP ACTUATOR CAUSES CIRCUIT BREAKER TO POP WHEN ACTIVATED.Aug 21, 1997 · N2014K · Bell 412 · Entrance StairsSDR HEEA0010828Indicator · failedHSI INDICATOR SPINS IN FLIGHT.Aug 21, 1997 · N5759N · Bell 412 · Integrated Flight SystemSDR HEEA0010803Indicator · inoperativeINDICATOR ROTOR NEEDLE INOPERATIVE.Aug 20, 1997 · N7128R · Bell 412 · Main Rotor Indicating SystemSDR HEEA0010797Cap Assy · tornRUBBER TORN.Aug 20, 1997 · N21498 · Bell 412 · Main Landing GearSDR HEEA0010784Indicator · defectiveUNABLE TO ADJUST FUEL QTY LOW END WITH ADJUSTMENT SCREW. TIME SINCE REPAIR 1:20.Aug 20, 1997 · N3911L · Bell 412 · Fuel Quantity IndicatorSDR HEEA0010778Skidtube · mis drilledSKID TUBE HOLES FOR STEP IN WRONG LOCATION.Aug 19, 1997 · N2298Z · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0010768Indicator · errorsTRIPLE TACH INDICATOR 2% OFF.Aug 19, 1997 · N108X · Bell 412 · Main Rotor Indicating SystemSDR HEEA0010766Indicator · inoperativeHYD PRESSURE NEEDLE INOPERATIVE.Aug 19, 1997 · N108X · Bell 412 · Hydraulic Pressure SensorSDR HEEA0010758Skidtube · corrodedRT SKID TUBE CORROSION BEYOND LIMITS (.018) CORROSION .072.Aug 19, 1997 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0010756Indicator · inoperativeFUEL QTY INDICATOR INOPERATIVE.Aug 19, 1997 · Bell 412 · Fuel Quantity IndicatorSDR HEEA0010631Kfs598a · knob detached"PULL 25K" KNOB FALLS OFF.Aug 12, 1997 · N141PH · Bell 412 · Integrated Flight SystemSDR HEEA0010612Bellcrank Assy · wont fit(REFERENCE BHT-412-IPB, FIGURE 67-17) WHEN INSTALLING NEW BELLCRANK (ITEM#40), TAIL ROTOR CONTROL TUBE (ITEM#52) CLEVIS WOULD NOT SLIDE OVER BEARING (ITEM#45) OF BELLCRANK WHEN NEW BELLCRANK COMPARED TO OLD BELLCRANK. OBSERVED THAT PART NUMBER OFBEARING (ITEMAug 7, 1997 · N3893P · Bell 412 · Tail Rotor Control SystemSDR HEEA0010611Bearing · wornFACE OF BEARING IS WORN OFF. REPLACED WITH SERVICEABLE ROD END BEARING.Aug 7, 1997 · N6559Z · Bell 412 · Main Rotor HeadSDR HEEA0010610Loran Cdu · defectiveLORAN WOULD NOT DISPLAY DISTANCE AND BEARING INFORMATION FOR PROGRAMMED COORDINATES. PERFORMED PRELIMINARY INSPECTION. BENCH CHECK GOOD.Aug 7, 1997 · N6559Z · Bell 412 · Long-Range Navigation (LORAN) SystemSDR HEEA0010609Transmitter · defectiveTORQUE READING LOW. COULD NOT ADJUST. SENT TO OTTO'S INSTRUMENT SERVICE, INC. FOR INSPECTION AND REPAIR.Aug 7, 1997 · N22608 · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0010607Engine · stalledCOMPRESSOR STALLS.Aug 7, 1997 · N33008 · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA0010605Gyro · defective3 AXIS GYRO KICKING AFCS IN ROLL.Aug 7, 1997 · N3893N · Bell 412 · Attitude and Direction Data SystemSDR HEEA0010604Oil Cooler · damagedOIL COOLER HAS DAMAGED THREADS IN THERMAL VALVE PORT.Aug 7, 1997 · N2261D · Bell 412 · Engine Oil CoolerSDR HEEA0010603Transmitter · malfunctionPRECESSES 30 TO LEFT AND UNABLE TO ADJUST. SENT TO HONEYWELL, TEXAS FOR EXCHANGE.Aug 7, 1997 · N3893S · Bell 412 · Directional Gyro and Indicating SystemSDR HEEA0010602Pump · inoperativeFUEL BOOST PUMP INOPERATIVE.Aug 7, 1997 · N293CA · Bell 412 · Fuel Boost PumpSDR HEEA0010595Actuator · failedSTEP ACTUATOR WILL NOT RETRACT.Aug 6, 1997 · N22347 · Bell 412 · Entrance StairsSDR HEEA0010586Transmitter · defectiveTRANSMITTER WILL NOT TEST CORRECTLY BETWEEN PINS A & C.Aug 6, 1997 · Bell 412 · Directional Gyro and Indicating SystemSDR HEEA0010585Trim Compensator · defectiveITT FLUCTUATES. TRIM COMPENSATOR DEFECTIVEAug 6, 1997 · N7128R · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0010571Pump · failedBOOST PUMP MAKES LOUD NOISE THEN QUITS.Aug 6, 1997 · N7128R · Bell 412 · Fuel Boost PumpSDR HEEA0010566Indicator · defectiveATTITUDE INDICATOR PITCHBALL IS RATCHETY.Aug 6, 1997 · N5759N · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0010543Bracket · mis mfgHORN OPENING ON BRACKET IS TOO NARROW. NEED PROPER DEGREE ON FLANGE TO INCREASE OPENING. MEASURED DEGREE OF ORIGINAL ANGLE AND FOUND TO BE 45 DEGREES ON FLARE.Jul 31, 1997 · Bell 412 · Rotorcraft Tail BoomSDR HEEA0010542Bracket · mis mfgHORN OPENING ON BRACKET IS TOO NARROW. NEED PROPER DEGREE ON FLANGE TO INCREASE OPENING. MEASURED DEGREE OF ORIGINAL ANGLE AND FOUND TO BE 45 DEGREES ON FLARE.Jul 31, 1997 · Bell 412 · Rotorcraft Tail BoomSDR HEEA0010540Spar Aft Fin · mis mfgMISMANUFACTURED PART. SPAR IS 1/16" NARROW AT LOWER END AND 1/8" NARROW AT TAIL ROTOR 90 DEGREE GEARBOX CASTING.Jul 31, 1997 · N7128R · Bell 412 · Vertical StabilizerSDR HEEA0010507Indicator · inoperativeTRIPLE TACH H2 N2 INOPERATIVE.Jul 16, 1997 · N3893N · Bell 412 · Engine RPM Indicating SystemSDR HEEA0010496Actuator Rotary · malfunctionROTARY ACTUATOR MALFUNCTION. LATERAL CYCLIC FORCE TRIM INTERMITTENT; WOULD NOT RELEASE.Jul 16, 1997 · N2149S · Bell 412 · Main Rotor ControlSDR HEEA0010495Detector · malfunction#1 ENGINE OUT AND PARTICAL SEPARATOR. LIGHT INTERMITTENT.Jul 16, 1997 · N2014K · Bell 412 · Rotor Drive Indicating SystemSDR HEEA0010494Cone Lower · liner wornLOWER CONE TEFLON LINER WORN AND TORN.Jul 16, 1997 · N23023 · Bell 412 · Main Rotor HeadSDR HEEA0010461Transducer · faultyTRANSDUCER FAULTY READINGS.Jul 10, 1997 · N3911L · Bell 412 · Fuel Pressure IndicatorSDR HEEA0010455Tarsyn · defectiveCO-PILOT'S HORIZON INDICATOR WILL NOT STABILIZE.Jul 10, 1997 · N5759N · Bell 412 · Autopilot SystemSDR HEEA0010451Tarsyn · defectiveTARSYN SLOW TO ERECT.Jul 10, 1997 · N2148K · Bell 412 · Autopilot SystemSDR HEEA0010441Control · malfunctionHP1 AND CPL LIGHT STAYS ON. TIME SINCE REPAIR 0:00.Jul 10, 1997 · N3911L · Bell 412 · Autopilot SystemSDR HEEA0010436Tarsyn · malfunctionATTITUDE INDICATOR ROLLS 360 IN FLIGHT. TIME SINCE REPAIR 60:55.Jul 10, 1997 · N5759N · Bell 412 · Autopilot SystemSDR HEEA0010428Altimeter · reads highENCODER INDICATES HIGH OUT OF TOLERANCE AT 4000 FEET AND UP.Jul 9, 1997 · N3893P · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010427Indicator · errorALTIMETER INDICATOR HAS EXCESSIVE FRICTION ERROR.Jul 9, 1997 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010418Ejector · crackedEJECTOR ASSY HAS HIDDEN CRACKS; MISSING RIVETS.Jul 9, 1997 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0010417Altimeter · frictionALTIMETER UNIT HAS EXCESSIVE FRICTION.Jul 9, 1997 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0010414Ejector · crackedRT EJECTOR ASSY CRACKED IN LOWER SERVICE.Jul 9, 1997 · N33008 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA0010411Altimeter · light inopALTIMETER LIGHT INOPERATIVE. TIME SINCE REPAIR 31:40.Jul 9, 1997 · N21498 · Bell 412 · Altimeter, Barometric/Encoder
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