# Service difficulty reports: Bell 206-L4

A list on [Bell 206-L4](https://openairdocs.org/model/bell-206-l4.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 15 · 709 reports

- [SDR EVCA202608250001](https://openairdocs.org/sdr/EVCA202608250001.md): Blower Motor · unserviceable · Aug 24, 2026 · N465AE · Bell 206L4 · Air Distribution Fan
  > BURNING ELECTRICAL ODOR IN THE CABIN. BLOWER MOTOR UNSERVICABLE.
- [SDR EVCA202606010001](https://openairdocs.org/sdr/EVCA202606010001.md): Unknown · odor · Jun 1, 2026 · N467AE · Bell 206L4 · Air Distribution System
  > PILOT 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 WI
- [SDR 2026FA0000413](https://openairdocs.org/sdr/2026FA0000413.md): Check Valve · stuck · May 20, 2026 · N301J · Bell 206L4 · Turbine Engine Oil System
  > UPON 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 BEARING
- [SDR EVCA202602230001](https://openairdocs.org/sdr/EVCA202602230001.md): Clock · unserviceable · Feb 21, 2026 · N547AE · Bell 206L4 · Independent Instruments
  > A STEADY STREAM OF SMOKE WAS OBSERVED COMING FROM THE INSTRUMENT PANEL CLOCK.
- [SDR EVCA202511060001](https://openairdocs.org/sdr/EVCA202511060001.md): Fuel Cell · contaminated · Oct 31, 2025 · N438AE · Bell 206L4 · Fuel Storage
  > FUEL SMELL IN CABIN, FOUND RESIDUAL FUEL ON FUEL CELL FROM PREVIOUSLY PERFORMED MAINTENANCE.
- [SDR EVCA20251028001](https://openairdocs.org/sdr/EVCA20251028001.md): Fitting · installed · Oct 27, 2025 · N434AE · Bell 206L4 · Rotorcraft Tail Boom
  > UPPER L/H TAILBOOM ATTACHMENT FITTING CRACKED
- [SDR EVCA2025082300001](https://openairdocs.org/sdr/EVCA2025082300001.md): Blower Motor · odor · Aug 21, 2025 · N417AE · Bell 206L4 · Air Distribution Fan
  > INTERMITTENT ELECTRICAL SMELL
- [SDR EVCA20250820001](https://openairdocs.org/sdr/EVCA20250820001.md): Inverter · odor · Aug 18, 2025 · N417AE · Bell 206L4 · Electrical Power System
  > INTERMITTENT ELECTRICAL SMELL
- [SDR EVCA202250515001](https://openairdocs.org/sdr/EVCA202250515001.md): Stiffener · cracked · May 9, 2025 · N420AE · Bell 206L4 · Fuselage Miscellaneous Structure
  > STATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE.
- [SDR EVCA20250117001](https://openairdocs.org/sdr/EVCA20250117001.md): Stiffener · cracked · Jan 17, 2025 · N558AE · Bell 206L4 · Fuselage Main, Bulkhead
  > LH FS 145 & STIFFENER CLIP CRACKED
- [SDR EVCA202501070020](https://openairdocs.org/sdr/EVCA202501070020.md): Bulkhead · cracked · Jan 7, 2025 · N479AE · Bell 206L4 · Fuselage Main, Bulkhead
  > RH FS 145 BULKHEAD & STIFFENER CLIP CRACKED
- [SDR EVCA2025010700001](https://openairdocs.org/sdr/EVCA2025010700001.md): Stiffener · cracked · Dec 30, 2024 · N429AE · Bell 206L4 · Fuselage Miscellaneous Structure
  > STATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE.
- [SDR EVCA20241204002](https://openairdocs.org/sdr/EVCA20241204002.md): Bulkhead · cracked · Dec 1, 2024 · N469AE · Bell 206L4 · Fuselage Main, Bulkhead
  > LH FS 145 CRACKED
- [SDR EVCA202411250001](https://openairdocs.org/sdr/EVCA202411250001.md): Stiffener · cracked · Nov 25, 2024 · N437AE · Bell 206L4 · Fuselage Main, Bulkhead
  > RH FS 145 & STIFFENER CLIP CRACKED.
- [SDR EVCA20241119001](https://openairdocs.org/sdr/EVCA20241119001.md): Skin · damaged · Nov 15, 2024 · N467AE · Bell 206L4 · Rotorcraft Tail Boom
  > BIRD 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 STABILIZER
- [SDR EVCA20241021001](https://openairdocs.org/sdr/EVCA20241021001.md): Fuel Line · worn · Oct 20, 2024 · N402AE · Bell 206L4 · Aircraft Fuel Distribution System
  > FUEL SMELL IN THE CABIN. FUEL LINE WAS FOUND TO HAVE A WORN FLARE THAT CAUSED IT TO SEEP.
- [SDR MHR22024092400733](https://openairdocs.org/sdr/MHR22024092400733.md): Bearing · flaking · Sep 24, 2024 · N216MH · Bell 206L4 · Main Rotor Gearbox
  > TRANSMISSION ASSEMBLY HAD METAL IN OIL.
- [SDR EVCA20240903001](https://openairdocs.org/sdr/EVCA20240903001.md): Blower Motor · odor · Sep 2, 2024 · N785AE · Bell 206L4 · Air Distribution Fan
  > STRONG ELECTRICAL BURNING SMELL IN CABIN. TURNED OFF THE AC AND THE SMELL WENT AWAY.
- [SDR EVCA202408200002](https://openairdocs.org/sdr/EVCA202408200002.md): Bulkhead · cracked · Aug 20, 2024 · N440AE · Bell 206L4 · Fuselage Main, Bulkhead
  > RH FS 145 & STIFFENER CLIP CRACKED
- [SDR EVCA202408200001](https://openairdocs.org/sdr/EVCA202408200001.md): Bulkhead · cracked · Aug 20, 2024 · N440AE · Bell 206L4 · Fuselage Main, Bulkhead
  > LH FS 145 & STIFFENER CLIP CRACKED
- [SDR EVCA202408120001](https://openairdocs.org/sdr/EVCA202408120001.md): Attach Fitting · cracked · Aug 6, 2024 · N563AE · Bell 206L4 · Rotorcraft Tail Boom
  > UPPER LEFT TAILBOOM ATTACHMENT FITTING, TAILBOOM SIDE, CRACKED FROM EDGE TO EDGE ACROSS TWO FWD OUTBOARD RIVETS
- [SDR EVCA20240810001](https://openairdocs.org/sdr/EVCA20240810001.md): Stiffener · cracked · Jul 31, 2024 · N438AE · Bell 206L4 · Fuselage Miscellaneous Structure
  > THE STATION 145 CLIP IS CRACKED BY A RIVET HOLE ON THE RIGHT HAND SIDE.
- [SDR EVCA202405280001](https://openairdocs.org/sdr/EVCA202405280001.md): Not Reported · cracked · May 28, 2024 · N423AE · Bell 206L4 · Fuselage Main, Structure
  > 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.
- [SDR EVCA202406060001](https://openairdocs.org/sdr/EVCA202406060001.md): Bulkhead · cracked · May 23, 2024 · N484AE · Bell 206L4 · Fuselage Main, Bulkhead
  > LH FS 145 CRACKED
- [SDR EVCA2024060501](https://openairdocs.org/sdr/EVCA2024060501.md): Stiffener · cracked · May 20, 2024 · N484AE · Bell 206L4 · Fuselage Miscellaneous Structure
  > LH AFT VERTICAL STIFFENER CRACKED
- [SDR EVCA0202450300024](https://openairdocs.org/sdr/EVCA0202450300024.md): Rivet · sheared · Apr 30, 2024 · N355AE · Bell 206L4 · Fuselage Main, Structure
  > RIVET 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.
- [SDR EVCA20240426401](https://openairdocs.org/sdr/EVCA20240426401.md): Exhaust Stack · warped · Apr 24, 2024 · N420AE · Bell 206L4 · Engine Collector/Tailpipe/Nozzle
  > WARPING IN ENGINE EXHAUST STACK.
- [SDR EVCA202401240001](https://openairdocs.org/sdr/EVCA202401240001.md): Stiffener · cracked · Jan 24, 2024 · N338AE · Bell 206L4 · Fuselage Miscellaneous Structure
  > L/H FS 145 STIFFENER CLIP CRACKED.
- [SDR EVCA20231204002](https://openairdocs.org/sdr/EVCA20231204002.md): Blade · cracked · Dec 4, 2023 · N416AE · Bell 206L4 · Main Rotor Blades
  > VAN HORN M/R BLADE INBOARD AND OUTBOARD TRIM TAB CRACKED
- [SDR EVCA202312040001](https://openairdocs.org/sdr/EVCA202312040001.md): Blade · cracked · Dec 4, 2023 · N416AE · Bell 206L4 · Main Rotor Blades
  > VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED
- [SDR EVCA2023110931](https://openairdocs.org/sdr/EVCA2023110931.md): Blade · cracked · Nov 8, 2023 · N460AE · Bell 206L4 · Main Rotor Blades
  > VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED
- [SDR EVCA202311090001](https://openairdocs.org/sdr/EVCA202311090001.md): Blade · cracked · Nov 8, 2023 · N460AE · Bell 206L4 · Main Rotor Blades
  > VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED
- [SDR EVCA20231027002](https://openairdocs.org/sdr/EVCA20231027002.md): Blade · cracked · Oct 26, 2023 · N1821 · Bell 206L4 · Main Rotor Head
  > VAN HORN M/R BLADE INBOARD TRIM TABS CRACKED.
- [SDR EVCA20231027001](https://openairdocs.org/sdr/EVCA20231027001.md): Blade · cracked · Oct 26, 2023 · N1821 · Bell 206L4 · Main Rotor System
  > VAN HORN M/R BLADE INBOARD TRIM TABS CRACKED.
- [SDR EVCA202310020002](https://openairdocs.org/sdr/EVCA202310020002.md): Motor · unknown · Sep 30, 2023 · N314AE · Bell 206L4 · Air Distribution Fan
  > PILOT 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.
- [SDR EVCA20230919001](https://openairdocs.org/sdr/EVCA20230919001.md): Blade · cracked · Sep 16, 2023 · N436AE · Bell 206L4 · Main Rotor Blades
  > HOTIZONTAL CRACK APPROX 4" FOUND ON MAIN ROTOR BLADE ROOT
- [SDR 2023F00338](https://openairdocs.org/sdr/2023F00338.md): Link · unknown · Aug 29, 2023 · N53ZA · Bell 206L4 · Main Rotor Drive System
  > PILOT 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.
- [SDR EVCA2023083020](https://openairdocs.org/sdr/EVCA2023083020.md): Blade · unknown · Aug 29, 2023 · N1807 · Bell 206L4 · Main Rotor System
  > DISCOVERED 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 VL00249530
- [SDR EVCA20230622001](https://openairdocs.org/sdr/EVCA20230622001.md): Motor · unknown · Jun 21, 2023 · N440AE · Bell 206L4 · Air Conditioning System
  > SLIGHT ELECTRICAL BURNING SMELL COMING FROM THE AC DUCTING. HAPPENS WITH AC ON OR BLOWER ONLY.
- [SDR EVCA202303220001](https://openairdocs.org/sdr/EVCA202303220001.md): Pan · leaking · Mar 22, 2023 · N886AE · Bell 206L4 · Engine (Turbine/Turboprop)
  > FUEL SMELL IN AIRCRAFT CABIN. OIL/FUEL SEEP FOUND UNDER ENGINE PAN. CLEANED, INSPECTED, RESEALED ENGINE PAN DRAIN HOLE.
- [SDR EVCA03062023](https://openairdocs.org/sdr/EVCA03062023.md): Attach Fitting · cracked · Mar 4, 2023 · N887AE · Bell 206L4 · Rotorcraft Tail Boom
  > CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTION
- [SDR EVCA03032023](https://openairdocs.org/sdr/EVCA03032023.md): Attach Fitting · cracked · Mar 3, 2023 · N445AE · Bell 206L4 · Fuselage Structure (General)
  > CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTION
- [SDR EVCA202301170001](https://openairdocs.org/sdr/EVCA202301170001.md): Tail Boom · cracked · Jan 15, 2023 · N424AE · Bell 206L4 · Rotorcraft Tail Boom
  > 1/2 INCH CRACK AT UPPER LH INBOARD SIDE OF TAILBOOM RING
- [SDR EVCA2023010300002](https://openairdocs.org/sdr/EVCA2023010300002.md): Exhaust Duct · out of position · Jan 2, 2023 · N435AE · Bell 206L4 · Engine Collector/Tailpipe/Nozzle
  > CREW 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.
- [SDR EVCA202212090001](https://openairdocs.org/sdr/EVCA202212090001.md): Attach Fitting · cracked · Dec 8, 2022 · N164AE · Bell 206L4 · Rotorcraft Tail Boom
  > CRACK FOUND IN LT UPPER ATTACHMENT TAILBOOM FITTING DURING 100 HOUR INSPECTION.
- [SDR EVCA11232022](https://openairdocs.org/sdr/EVCA11232022.md): Stiffener · cracked · Nov 23, 2022 · N408AE · Bell 206L4 · Fuselage Structure (General)
  > LEFT HAND VERTICAL TUNNEL STIFFENER IS CRACKED ON UPPER END
- [SDR EVCA20221115002](https://openairdocs.org/sdr/EVCA20221115002.md): Unknown · odor · Nov 13, 2022 · N539AE · Bell 206L4 · Air Distribution System
  > JET-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.
- [SDR EVCA20221111001](https://openairdocs.org/sdr/EVCA20221111001.md): Attach Fitting · cracked · Nov 11, 2022 · N479AE · Bell 206L4 · Rotorcraft Tail Boom
  > CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 100 HOUR INSPECTION
- [SDR 2VKA202210050001](https://openairdocs.org/sdr/2VKA202210050001.md): Support · cracked · Sep 30, 2022 · N811SF · Bell 206L4 · Fuselage Miscellaneous Structure
  > CRACK FOUND IN VERTICAL TUNNEL WEB @ RBL 4.0 STA 87.5 WL 67.92.
- [SDR EVCA202209290001](https://openairdocs.org/sdr/EVCA202209290001.md): Blower Motor · odor · Sep 27, 2022 · N355AE · Bell 206L4 · Air Distribution Fan
  > ELECTRICAL SMELL NOTED DURING FLIGHT. FOUND TO BE THE FORWARD AIR CONDITIONER BLOWER MOTOR.

Next page: https://openairdocs.org/model/bell-206-l4/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/model/bell-206-l4/reports

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