AD 2021-10-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Textron | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Bell | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
Unsafe Condition
a manufacturing flaw that could cause a switch unit to hang in the high position and fail to indicate a low fuel condition
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
remove the switch unit from service, accomplish an operational test of the switch unit, and if the operational test fails, remove the switch unit from service
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours 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 Textron Canada Limited (type certificate previously held by Bell Helicopter Textron Canada Limited) Model 206L, 206L-1, 206L-3, and 206L-4 helicopters, with a low fuel level detector switch unit part number (P/N) 206-063-613-003, with a switch unit serial number (S/N) 1413, 1414, 1415, 1424, 1428, 1430, 1432, or 1433 installed, or with a missing or illegible switch unit S/N or if the S/N cannot be determined, installed
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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