Bell 206-L4

Service difficulty reports · 710

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 = '206L4'
  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 ALG2004F00073Wire · loosePUSHED THE STARTER BUTTON FOR THE FIRST FLIGHT AND THERE WAS A LOUD POP AND SPARKS FOR THE LT SIDE OF THE LOWER INSTRUMENT PANEL. MAINTENANCE FOUND THE BATTERY RELAY GROUND WIRE ON THE AIRFRAME SIDE LOOSE, REMOVED GROUND AND CLEANED TERMINAL AND REINASTALLED Oct 29, 2004 · N182AL · Bell 206L4 · Instrument System WiringSDR ALG2004F00071Striker · out of adjustAT A HOVER, PILOTS DOOR WILL NOT STAY CLOSED, RETURNED TO LANDING PAD. MAINTENANCE ADJUSTED PILOTS DOOR AND STRIKER PLATES IAW THE MM. NO FURTHER DISCREPANCIES NOTED.Oct 16, 2004 · N177AL · Bell 206L4 · Passenger/Crew DoorsSDR ALGA097281Trunnion · corrodedTAIL ROTOR TRUNNION HAS CORROSION DAMAGE ON SPLINES. REPLACED W/SERVICEABLE HOUSING BY OVERHAUL SHOP.Sep 7, 2004 · N265AL · Bell 206L4 · Tail Rotor HeadSDR ALGA097279Bearing · damagedTAIL ROTOR BEARING HAS FLAT SPOTS ON NEEDLE ROLLERS. REPLACED W/NEW PART BY OVERHAUL SHOP.Sep 7, 2004 · N265AL · Bell 206L4 · Tail Rotor HeadSDR ALGA097278Housing · peelingBLUE EPOXY COATING PEELING. REPLACED W/SERVICEABLE HOUSING BY OVERHAUL SHOP.Sep 7, 2004 · N265AL · Bell 206L4 · Tail Rotor HeadSDR ALG2004F00047Rotor · overtorquedIN A HOVER, WAS AT A HOVER ABOUT TO TAKE OFF WHEN EVERYTHING STARTED SPEEDING UP, LOOKED AT THE TORQUE GAUGE AND SAW 120 PERCENT TORQUE, IMMEDIATELY LOWERED THE COLLECTIVE AND LANDED, AS LOWERED THE COLLECTIVE AND EVERYTHING RETURNED TO NORMAL. MAINTENANCE ISAug 25, 2004 · N174AL · Bell 206L4 · Main Rotor HeadSDR CA040902003Fitting · cracked(CAN) TAIL BOOM FITTINGS P/N 206-031-403-001 AND 206-032-409-001 LT SIDE TOP AND BOTTOM CRACKED.Aug 12, 2004 · Bell 206L4 · Rotorcraft Tail BoomSDR ALGA096987Bearing · defectiveTEFLON FABRIC SHOWING THROUGH. REPLACED WITH NEW PART.Aug 12, 2004 · N265AL · Bell 206L4 · Main Rotor Mast/SwashplateSDR ALGA096986Bushing · defectiveTEFLON FABRIC SHOWING THROUGH. REPLACED WITH NEW PART.Aug 12, 2004 · N265AL · Bell 206L4 · Main Rotor Mast/SwashplateSDR ALGA096985Bearing · defectiveTEFLON FABRIC SHOWING THROUGH. REPLACED WITH NEW PART.Aug 12, 2004 · N265AL · Bell 206L4 · Main Rotor Mast/SwashplateSDR ALGA096984Bushing · wornTEFLON FABRIC SHOWING THROUGH, EXCESSIVE PLAY BETWEEN LINK AND COLLECTIVE LEVER. REPLACED WITH NEW PART.Aug 12, 2004 · N265AL · Bell 206L4 · Main Rotor Mast/SwashplateSDR ALGA096983Bearing · defectiveTEFLON FABRIC SHOWING THROUGH. REPLACED WITH NEW PART.Aug 12, 2004 · N265AL · Bell 206L4 · Main Rotor Mast/SwashplateSDR 2004F00379Governor · malfunctionedIN A HOVER READY FOR TAKEOFF, TOOK OFF INTO A HOVER AND THE N2 DROPPED TO 95 PERCENT AND WOULD NOT RECOVER OR RESPOND TO INCREASE OR DECREASE TO BEEP SWITCH. MAINTENANCE FOUND BEEP MOTOR INTERMITTENT, REMOVED AND REPLACED, ALSO FOUND THAT THE GOVERNOR WAS DROAug 3, 2004 · N414LV · Bell 206L4 · Turbine GovernorSDR 2004F00366Receptacle · looseON RUN UP FOR TAKEOFF, FOUND OFF FLAG ON THE DG AND SMELLED ELECTRICAL SMOKE FUMES IN THE COCKPIT. THE COMPONENT WAS SECURED AIRCRAFT RETURNED TO ARA FOR MAINTENANCE, AIRCRAFT REPLACED BY N547AL. MAINTENACNE NOTED OFF FLAG ON DIRECTIONAL GYRO, FOUND CONNECTOJul 26, 2004 · N170AL · Bell 206L4 · Directional Gyro and Indicating SystemSDR 2004F00371Compressor · stalledAT 3500 AGL AND 74 PERCENT TORQUE AIRCRAFT COMPRESSOR STALLED, TORQUE FLUCTUATED AND RETURNED TO NORMAL, NOSE OF AIRCRAFT SWUNG 15 DEGREES TO THE LEFT. AIRCRAFT POWER REDUCED AND THEN RETURNED TO CRE BASE. MAINTENANCE REMOVED AND REPLACED ENGINE ASSEMBLY. (Jul 23, 2004 · N171AL · Bell 206L4 · Turbine Engine Compressor SectionSDR ALGA096566Blade · debondedLOWER SURFACE OB GRIP FINGER DOUBLER DEBONDED. FOUND CORROSION BETWEEN SKIN AND SPAR. REPLACED UNIT W/NEW BLADE.Jul 20, 2004 · N175AL · Bell 206L4 · Main Rotor BladesSDR ALGA096403Blade · separatedFOUND CORROSION AND SEPARATION AT SKIN/SPAR INTERFACE NEAR LOWER OB GRIP FINGER DOUBLER. REMOVED AND REPLACED DEFECTIVE BLADE WITH NEW BLADE. SCRAPPED DEFECTIVE BLADE.Jul 20, 2004 · N206DB · Bell 206L4 · Main Rotor BladesSDR YTRR095305Fuel Control · malfunctionedCOULD NOT SHUT DOWN AIRCRAFT AFTER THROTTLE WAS CLOSED.Jun 13, 2004 · N52192 · Bell 206L4 · Fuel Controlling SystemSDR ALGA094690Tach Generator · wornFOUND SPLINES INSIDE ARMATURE AND ON DRIVSHAFT WORN. DISCREPANCY FOUND ON 900 HR INSPECTION. RETURNING PART TO VENDOR FOR WARRANTY.May 21, 2004 · N266AL · Bell 206L4 · Main Rotor GearboxSDR CA040526004Case · corroded(CAN) A DOZEN STUD HOLES FOUND DEEPLY CORRODED AND NEEDED SPECIAL REPAIR IAW MFG INSTRUCTIONS. THE CORROSION IS CAUSED BY DISSIMILAR METALS AND MOISTURE. MFG CANNOT SOLVE THE PROBLEM DEFINITELY BUT SUGGEST METHODS TO SLOW IT DOWN AND DIMINISH DAMAGE TO CASE.May 20, 2004 · Bell 206L4 · Main Rotor GearboxSDR ALG2004F00021Fuel Nozzle · inoperativeON START UP, UNABLE TO START ENGINE, THE ENGINE FLAMED OUT DURING THE START SEQUENCE. ATTEMPTED THREE STARTS WITH NO SUCCESS. CONTACTED BASE MANAGER AND MAINTENANCE FOR HELP. MAINTENANCE REMOVED AND REPLACED FUEL NOZZLE AND SHIMMED AS REQUIRED, REMOVED AND Apr 28, 2004 · N414LV · Bell 206L4 · Fuel Injector NozzleSDR YTRR094256Bushing · wornWORN BUSHING ON RESTRAINT MOUNT AT LATERAL SPRING ATTACH POINT.Apr 24, 2004 · N52192 · Bell 206L4 · Main Rotor Transmission MountSDR YTRR094255Bushing · wornWORN BUSHINGS ON RESTRAINT MOUNT AT LATERAL SPRING ATTACH POINTS.Apr 22, 2004 · N52192 · Bell 206L4 · Main Rotor Transmission MountSDR CA040407008Brushes · worn(CAN) ON INSPECTION OF THE START/GEN BRUSHES IT WAS DISCOVERED THAT THE REAR BRUSHES WERE SLIGHTLY SHORTER (MORE WORN) THAN THE FORWARD BRUSHES. REPLACED BRUSHES AND INSPECTED AGAIN AFTER 100 HOURS. FOUND THE AFT BRUSHES WITH A MUCH HIGHER DEGREE OF WEAR IN Apr 3, 2004 · Bell 206L4 · Starter-GeneratorSDR ALGA093732Blade · corrodedMAIN ROTOR BLADE TRAILING EDGE EXTRUSION EXFOLIATED AT STA. 98 AND 130. DAMAGE IS CONSIDERED A MATERIAL DEFECT.Mar 11, 2004 · N175AL · Bell 206L4 · Main Rotor BladesSDR N207RT012804Bracket · crackedVERTICAL WINGLET BRACKET CRACKED AND ALLOWED WINGLET TO DETACH IN FLIGHT STRIKING THE TAILROTOR AND CAUSING LOSS OF TAILROTOR EFFECTIVENESS. (SW03200405293)Jan 28, 2004 · N207RT · Bell 206L4 · Rotorcraft Tail BoomSDR CA031212003Fitting · cracked(CAN) DURING ROUTINE 100 HR INSPECTION TO AIRCRAFT, THE LT UPPER TAILBOOM ATTACHMENT FITTING WAS FOUND CRACKED. CRACK APPEARED TO BE BETWEEN AND EXTENDED BELOW THE TWO FORWARD MOST ATTACHING RIVETS. NO INDICATION OF CRACK WAS NOTED ON PREVIOUS INSPECTION. TAILDec 3, 2003 · Bell 206L4 · Rotorcraft Tail BoomSDR CA031126005Cap · mismanufactured(CAN) FREEWHEEL ASSEMBLIES WERE DISCOVERED TO HAVE A MISSING MACHINING FEATURE ON THEIR CAPS 509-101, .188Nov 26, 2003 · Bell 206L4 · Engine/Transmission CouplingSDR ALGA089042Blade · defectiveLOWER SURFACE GRIP FINGERS FOUND DEBONDED AT STA.38 - 43.5. DAMAGE APPEARS TO BE MANUFACTURING DEFECT. BLADE ASSY. WAS SENT TO BELL HELICOPTERS FORTWORTH. CUSTOMER PROPERTY RETURN.Sep 8, 2003 · N177AL · Bell 206L4 · Main Rotor BladesSDR ALG2003F00083Compressor · stalledAS AIRCRAFT PREPARED TO TAXI FROM A HOVER, AIRCRAFT HAD WHAT WAS TO BE A COMPRESSOR STALL. PUT THE AIRCRAFT BACK ON PARKING PAD AND THE MECHANIC INSPECTED THE INLET AREA AND COMPRESSOR AND FOUND EVIDENCE OF FROG INGESTION. NO VISUAL DAMAGE WAS FOUND, ZOCKED Aug 27, 2003 · N69AL · Bell 206L4 · Turbine Engine Compressor SectionSDR HEEA088472Pump · damagedTACH GEN SPLINED SHAFT STUCK IN OIL PUMP.Jul 14, 2003 · N7077F · Bell 206L4 · Main Rotor GearboxSDR HEEA088459Tach Generator · damagedSPLINED SHAFT OF TACH GEN REMAINED IN TRANS OIL PUMP.Jul 14, 2003 · N7077F · Bell 206L4 · Main Rotor Indicating SystemSDR HEEA088526Bearing · wornBEARINGS WORN. IN SHOP REPAIR.Jul 11, 2003 · N7074W · Bell 206L4 · Rotorcraft Flight ControlSDR ALG2003F00079Rivet · shearedDISCOVERED WHEN AIRCRAFT WAS BEING PREPARED FOR PAINT. CONTROL TUBE SHEAR RIVET SHEARED WHEN LIGHT CONTROLS WERE MOVED. NO EXCESSIVE FORCES ON CONTROLS WERE APPLIED WHEN THIS OCCURRED.Jul 8, 2003 · N266AL · Bell 206L4 · Tail Rotor Control SystemSDR HEEA088027Gps · malfunctionedGPS NOT DISPLAYING AIR TRAFFIC. TO BE SENT TO VENDOR FOR REPAIR.Jun 27, 2003 · N7077F · Bell 206L4 · Global Positioning SystemSDR HEEA087227Gyro · precessesDG PRECESSES 35 DEGREES IN 15 MINUTES. SHOP REPAIR.Jun 10, 2003 · N7074W · Bell 206L4 · Directional Gyro and Indicating SystemSDR HEEA087196Seal · leakingGEARBOX SUPPORT SEAL LEAKING. REPAIRED.Jun 9, 2003 · N7074W · Bell 206L4 · Main Rotor Transmission MountSDR HEEA087159Restraint · stuckFLAP RESTRAINT STICKS DOWN. REPAIRED.Jun 9, 2003 · N62127 · Bell 206L4 · Main Rotor HeadSDR CA031120001Actuator · bent(CAN) WHILE SERVICING THE HYDRAULIC ACTUATORS BY HELICOPTER ACCESSORY SERVICE IT WAS NOTICED THAT BOTH CYCLIC AND THE COLLECTIVE ACTUATOR EXTENSIONS WERE BENT LATERALLY ON THE LONGITUDINAL AXIS. NO ACCIDENT OR INCIDENT REPORTED ON THE SUBJECT HELICOPTER.May 5, 2003 · Bell 206L4 · Rotorcraft Servo SystemSDR HEEA085043Support · corrodedMLG SUPPORT HAS CORROSION BEYOND LIMITS. REPLACED WITH SERVICEABLE SADDLE.Feb 28, 2003 · N7074W · Bell 206L4 · Main Landing GearSDR HEEA085031Bearing · separatedMAIN ROTOR GEARBOX MOUNT LINK ASSY HAS A LOWER ELASTOMERIC BEARING SEPARATED 360 DEGREES.Feb 28, 2003 · N7074W · Bell 206L4 · Main Rotor Transmission MountSDR HEEA084455Bushing · corrodedTAIL ROTOR DRIVESHAFT HANGER BEARING SEAL SEPARATED. REPLACED 2 EACH BEARINGS 206040339103 DUE TO SEAL SEPARATED. REPLACED 2 EACH BUSHINGS 206040322001 DUE TO CORROSION. REPAIRED.Feb 13, 2003 · N7077F · Bell 206L4 · Tail Rotor Drive ShaftSDR HEEA084446Bearing · wornTAIL ROTOR HEAD HAS WORN BEARINGS. REPAIRED.Feb 13, 2003 · N62127 · Bell 206L4 · Main Rotor HeadSDR HEEA084285Rotor Head · leakingMAIN ROTOR HEAD IS SLINGING GREASE FROM END OF GRIP. REPLACED 4 NUTS EB902514 DUE TO CORROSION AND RETAINER 206011129003 DUE TO BEING WORN. REPAIRED.Feb 11, 2003 · N62127 · Bell 206L4 · Main Rotor HeadSDR ALG2003F00027Cyclic Control · out of rigDURING APPROACH, PILOT WROTE (LANDED INTO WIND AND BACK TAXIED WITH TAILWIND TO PARKING, RAN OUT OF AFT CYCLIC, DID A GO-AROUND AFTER CHECKING TO MAKE SURE NOTHING WAS BLOCKING THE CYCLIC, RETURNED FOR A SLOW, SHALLOW APPROACH, SAME THING HAPPENED AGAIN. VISUFeb 10, 2003 · N176AL · Bell 206L4 · Main Rotor HeadSDR CA030124002Union · obstructedDIFFICULTY TO START ENGINE. UNION FITTING OBSTRUCTED WITH METALLIC PARTICLES.Jan 22, 2003 · Bell 206L4 · Engine Fuel DistributionSDR HEEA083567Bushing · separatedRUBBER BUSHING SEPARATED ON MAIN ROTOR TRANSMISSION RESTAINT.Jan 13, 2003 · N62127 · Bell 206L4 · Main Rotor GearboxSDR HEEA083554Gps · malfunctionedGPS VERY SLOW TO ACQUIRE SIGNALS.Jan 13, 2003 · N7077F · Bell 206L4 · Global Positioning SystemSDR HEEA083417Battery · weakMAIN BATTERY WEAK.Jan 9, 2003 · N7077F · Bell 206L4 · Battery/Charger SystemSDR HEEA083359Pump · leakingTRANSMISSION OIL PUMP LEAKS. REPAIRED.Jan 9, 2003 · N7074W · Bell 206L4 · Main Rotor Gearbox
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