AD Amdt-39-11399
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 430 | Airworthiness Directives; Bell Helicopter Textron Canada Model 430 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 430 | Airworthiness Directives; Bell Helicopter Textron Canada Model 430 Helicopters |
Unsafe Condition
Loss of torque on the vertical fin attachment bolts could lead to bolt fracture and separation of the vertical fin, resulting in loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Verify the torque on each vertical fin attachment bolt. Modify the vertical fin and tailboom, and replace the attachment hardware. Re-verify the torque on the bolts after inspecting the fittings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron Canada Model 430 helicopters.
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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