AD Amdt-39-10576
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
Unsafe Condition
Cracked bearing hangar support arms in the area of the fillet radius could result in failure of the bearing supports.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Shim the tail rotor drive system bearing supports to prevent failure.
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 407 helicopters with cracked bearing hangar support arms.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.