AD 78-24-06 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; Bell Model 206L and 206L-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-1 | Airworthiness Directives; Bell Model 206L and 206L-1 Helicopters |
Unsafe Condition
Failure of the horizontal stabilizer, P/N 206-023-119, due to cracks in the stabilizer skin area exposed by the cutouts in the upper stabilizer supports.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify left and right upper stabilizer supports (P/N 206-023-100-009 and -010) per Bell Service Bulletin 206L-78-3 or Alert SB 206L-80-16. Visually check stabilizer skin area daily for cracks. Replace horizontal stabilizer before further flight if cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours' time in service after the effective date of this AD for modification, and before first flight of each day after modification for checks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Model 206L and 206L-1 helicopters, all serial numbers, with horizontal stabilizer P/N 206-023-119 and upper stabilizer supports P/N 206-023-100-009/-010.
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
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