AD 88-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206L and 206L-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206L and 206L-1 Helicopters |
Unsafe Condition
Fuel system failure due to malfunction of fuel system flow switches P/N 206-063-635-001, 206-064-601-001, -003, -101, or -103, which could result in engine flameout and loss of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and replace fuel system flow switches with retrofit kit P/N 206-703-004-101 and relocate in-line fuel filters P/N 206-063-693-001 per Bell Alert Service Bulletin 206L-88-52. Alternate methods may be used if approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 250 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron, Inc. Model 206L (S/N 45001-45153, 46601-46617) and Model 206L-1 (S/N 45154-45840) with specified fuel system flow switches installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.