Bell 206-L4

Service difficulty reports · 709

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 EVCA202608250001Blower Motor · unserviceableBURNING ELECTRICAL ODOR IN THE CABIN. BLOWER MOTOR UNSERVICABLE.Aug 24, 2026 · N465AE · Bell 206L4 · Air Distribution FanSDR EVCA202606010001Unknown · odorPILOT DEPARTED BASE WITH NO CREW ON BOARD. SHORTLY AFTER DEPARTURE HE SMELLED FUEL IN CABIN AND PERFORMED A PRECAUTIONARY LANDING AT LOCAL MUNICIPAL AIRFIELD. PILOT SHUT DOWN AND CHECKED AIRCRAFT WITH NO DEFECTS OR SMELLS PRESENT. HE CONTINUED ON HIS FLIGHT WIJun 1, 2026 · N467AE · Bell 206L4 · Air Distribution SystemSDR 2026FA0000413Check Valve · stuckUPON REMOVAL OF THE OIL CHECK VALVE FOR ROUTINE TESTING, THE AMT NOTICED NO OIL FLOWED OUT OF THE LINE GOING TO THE 6&7 BEARING. THE CHECK VALVE WAS FOUND TO BE STICKING OPEN ALLOWING OIL TO FLOW BACK INTO THE GEARBOX WHICH COULD DELAY OIL FLOW TO THE BEARINGMay 20, 2026 · N301J · Bell 206L4 · Turbine Engine Oil SystemSDR EVCA202602230001Clock · unserviceableA STEADY STREAM OF SMOKE WAS OBSERVED COMING FROM THE INSTRUMENT PANEL CLOCK.Feb 21, 2026 · N547AE · Bell 206L4 · Independent InstrumentsSDR EVCA202511060001Fuel Cell · contaminatedFUEL SMELL IN CABIN, FOUND RESIDUAL FUEL ON FUEL CELL FROM PREVIOUSLY PERFORMED MAINTENANCE.Oct 31, 2025 · N438AE · Bell 206L4 · Fuel StorageSDR EVCA20251028001Fitting · installedUPPER L/H TAILBOOM ATTACHMENT FITTING CRACKEDOct 27, 2025 · N434AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA2025082300001Blower Motor · odorINTERMITTENT ELECTRICAL SMELLAug 21, 2025 · N417AE · Bell 206L4 · Air Distribution FanSDR EVCA20250820001Inverter · odorINTERMITTENT ELECTRICAL SMELLAug 18, 2025 · N417AE · Bell 206L4 · Electrical Power SystemSDR EVCA202250515001Stiffener · crackedSTATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE.May 9, 2025 · N420AE · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA20250117001Stiffener · crackedLH FS 145 & STIFFENER CLIP CRACKEDJan 17, 2025 · N558AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA202501070020Bulkhead · crackedRH FS 145 BULKHEAD & STIFFENER CLIP CRACKEDJan 7, 2025 · N479AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA2025010700001Stiffener · crackedSTATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE.Dec 30, 2024 · N429AE · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA20241204002Bulkhead · crackedLH FS 145 CRACKEDDec 1, 2024 · N469AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA202411250001Stiffener · crackedRH FS 145 & STIFFENER CLIP CRACKED.Nov 25, 2024 · N437AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA20241119001Skin · damagedBIRD STRIKE WHILE IN CRUISE FLIGHT RETURNING TO BASE. PILOT LANDED IN FIELD NEAR FORUM AR. AMT NOTED DAMAGE TO VERTICAL FIN LOWER LEADING EDGE. REPLACED VERTICAL STABILIZERNov 15, 2024 · N467AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA20241021001Fuel Line · wornFUEL SMELL IN THE CABIN. FUEL LINE WAS FOUND TO HAVE A WORN FLARE THAT CAUSED IT TO SEEP.Oct 20, 2024 · N402AE · Bell 206L4 · Aircraft Fuel Distribution SystemSDR MHR22024092400733Bearing · flakingTRANSMISSION ASSEMBLY HAD METAL IN OIL.Sep 24, 2024 · N216MH · Bell 206L4 · Main Rotor GearboxSDR EVCA20240903001Blower Motor · odorSTRONG ELECTRICAL BURNING SMELL IN CABIN. TURNED OFF THE AC AND THE SMELL WENT AWAY.Sep 2, 2024 · N785AE · Bell 206L4 · Air Distribution FanSDR EVCA202408200002Bulkhead · crackedRH FS 145 & STIFFENER CLIP CRACKEDAug 20, 2024 · N440AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA202408200001Bulkhead · crackedLH FS 145 & STIFFENER CLIP CRACKEDAug 20, 2024 · N440AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA202408120001Attach Fitting · crackedUPPER LEFT TAILBOOM ATTACHMENT FITTING, TAILBOOM SIDE, CRACKED FROM EDGE TO EDGE ACROSS TWO FWD OUTBOARD RIVETSAug 6, 2024 · N563AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA20240810001Stiffener · crackedTHE STATION 145 CLIP IS CRACKED BY A RIVET HOLE ON THE RIGHT HAND SIDE.Jul 31, 2024 · N438AE · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA202405280001Not Reported · crackedUPON INSPECTION OF RIVETS, FOUND CRACK IN STRUCTURE AT APPROXIMATELY STA 155, BL 13-16, WL 71-73 UNDERNEATH L/H REAR NODAL BEAM DECK MOUNT.May 28, 2024 · N423AE · Bell 206L4 · Fuselage Main, StructureSDR EVCA202406060001Bulkhead · crackedLH FS 145 CRACKEDMay 23, 2024 · N484AE · Bell 206L4 · Fuselage Main, BulkheadSDR EVCA2024060501Stiffener · crackedLH AFT VERTICAL STIFFENER CRACKEDMay 20, 2024 · N484AE · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA0202450300024Rivet · shearedRIVET SHEARED ON TRANSMISSION DECK, LEFT HAND SIDE NEXT TO LEFT REAR NODAL BEAM SUPPORT. UPON INSPECTION OF RIVETS, FOUND CRACK IN STRUCTURE AT APPROXIMATELY STA 155, BL 13-16, WL 71-73 UNDERNEATH L/H REAR NODAL BEAM DECK MOUNT.Apr 30, 2024 · N355AE · Bell 206L4 · Fuselage Main, StructureSDR EVCA20240426401Exhaust Stack · warpedWARPING IN ENGINE EXHAUST STACK.Apr 24, 2024 · N420AE · Bell 206L4 · Engine Collector/Tailpipe/NozzleSDR EVCA202401240001Stiffener · crackedL/H FS 145 STIFFENER CLIP CRACKED.Jan 24, 2024 · N338AE · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA20231204002Blade · crackedVAN HORN M/R BLADE INBOARD AND OUTBOARD TRIM TAB CRACKEDDec 4, 2023 · N416AE · Bell 206L4 · Main Rotor BladesSDR EVCA202312040001Blade · crackedVAN HORN M/R BLADE INBOARD TRIM TAB CRACKEDDec 4, 2023 · N416AE · Bell 206L4 · Main Rotor BladesSDR EVCA2023110931Blade · crackedVAN HORN M/R BLADE INBOARD TRIM TAB CRACKEDNov 8, 2023 · N460AE · Bell 206L4 · Main Rotor BladesSDR EVCA202311090001Blade · crackedVAN HORN M/R BLADE INBOARD TRIM TAB CRACKEDNov 8, 2023 · N460AE · Bell 206L4 · Main Rotor BladesSDR EVCA20231027002Blade · crackedVAN HORN M/R BLADE INBOARD TRIM TABS CRACKED.Oct 26, 2023 · N1821 · Bell 206L4 · Main Rotor HeadSDR EVCA20231027001Blade · crackedVAN HORN M/R BLADE INBOARD TRIM TABS CRACKED.Oct 26, 2023 · N1821 · Bell 206L4 · Main Rotor SystemSDR EVCA202310020002Motor · unknownPILOT REPORTED SMOKE SMELL IN CABIN 2 MIN AFTER DEPARTING HUNTSVILLE HOSPITAL WHILE RETURNING TO BASE. AFTER LANDING DISCUSSION WITH PILOT, THEY THOUGHT IT WAS RELATED TO AIR CONDITIONING SYSTEM.Sep 30, 2023 · N314AE · Bell 206L4 · Air Distribution FanSDR EVCA20230919001Blade · crackedHOTIZONTAL CRACK APPROX 4" FOUND ON MAIN ROTOR BLADE ROOTSep 16, 2023 · N436AE · Bell 206L4 · Main Rotor BladesSDR 2023F00338Link · unknownPILOT REPORTED HEARING A LOUD (THUMP NOISE) WHEN THE AIRCRAFT WAS PICKED UP TO A HOVER DURING REPOSITIONING FROM ONE HELI-PAD TO ANOTHER @ KJRB OPERATIONS. WHEN THE TECH TEAM WAS DISPATCHED, THEY DISCOVERED THE BOTTOM AFT LH LIFT LINK HAVING EXCESSIVE PLAY. Aug 29, 2023 · N53ZA · Bell 206L4 · Main Rotor Drive SystemSDR EVCA2023083020Blade · unknownDISCOVERED PERPENDICULAR CRACK 104 INCHES FROM TIP CAP STARTING AT TRAILING EDGE RUNNING UP TO SPAR ON BELL MAIN ROTOR BLADE P/N 206-015-001-119 S/N VL00249530Aug 29, 2023 · N1807 · Bell 206L4 · Main Rotor SystemSDR EVCA20230622001Motor · unknownSLIGHT ELECTRICAL BURNING SMELL COMING FROM THE AC DUCTING. HAPPENS WITH AC ON OR BLOWER ONLY.Jun 21, 2023 · N440AE · Bell 206L4 · Air Conditioning SystemSDR EVCA202303220001Pan · leakingFUEL SMELL IN AIRCRAFT CABIN. OIL/FUEL SEEP FOUND UNDER ENGINE PAN. CLEANED, INSPECTED, RESEALED ENGINE PAN DRAIN HOLE.Mar 22, 2023 · N886AE · Bell 206L4 · Engine (Turbine/Turboprop)SDR EVCA03062023Attach Fitting · crackedCRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTIONMar 4, 2023 · N887AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA03032023Attach Fitting · crackedCRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTIONMar 3, 2023 · N445AE · Bell 206L4 · Fuselage Structure (General)SDR EVCA202301170001Tail Boom · cracked1/2 INCH CRACK AT UPPER LH INBOARD SIDE OF TAILBOOM RINGJan 15, 2023 · N424AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA2023010300002Exhaust Duct · out of positionCREW REPORTED FUEL/EXHAUST SMELL DURING FLIGHT. UPON FURTHER INVESTIGATION, IT WAS REPORTED THEY HAD A STRONG TAIL WIND AND THE SMELL THEY REPORTED WAS EXHAUST FUMES COMING FROM THE EXHAUST. WHEN THEY CHANGE DIRECTION, THE EXHAUST SMELL WENT AWAY.Jan 2, 2023 · N435AE · Bell 206L4 · Engine Collector/Tailpipe/NozzleSDR EVCA202212090001Attach Fitting · crackedCRACK FOUND IN LT UPPER ATTACHMENT TAILBOOM FITTING DURING 100 HOUR INSPECTION.Dec 8, 2022 · N164AE · Bell 206L4 · Rotorcraft Tail BoomSDR EVCA11232022Stiffener · crackedLEFT HAND VERTICAL TUNNEL STIFFENER IS CRACKED ON UPPER ENDNov 23, 2022 · N408AE · Bell 206L4 · Fuselage Structure (General)SDR EVCA20221115002Unknown · odorJET-A SMELL IN THE ACFT. INSPECTED AIRCRAFT FUEL SYSTEM FOR LEAKS NO DEFECTS NOTED AT THIS TIME, NO FUEL SMELL NOTED AT THIS TIME. ALL WORK IN REFERENCE WITH BHT206L4-MM-4 CHAPTER 28.Nov 13, 2022 · N539AE · Bell 206L4 · Air Distribution SystemSDR EVCA20221111001Attach Fitting · crackedCRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 100 HOUR INSPECTIONNov 11, 2022 · N479AE · Bell 206L4 · Rotorcraft Tail BoomSDR 2VKA202210050001Support · crackedCRACK FOUND IN VERTICAL TUNNEL WEB @ RBL 4.0 STA 87.5 WL 67.92.Sep 30, 2022 · N811SF · Bell 206L4 · Fuselage Miscellaneous StructureSDR EVCA202209290001Blower Motor · odorELECTRICAL SMELL NOTED DURING FLIGHT. FOUND TO BE THE FORWARD AIR CONDITIONER BLOWER MOTOR.Sep 27, 2022 · N355AE · Bell 206L4 · Air Distribution Fan
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