AD 2025-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Limited | Airworthiness Directives; Bell Textron Canada Limited Helicopters |
| aircraft | Bell | Textron Canada Limited | Airworthiness Directives; Bell Textron Canada Limited Helicopters |
Unsafe Condition
Deformation and improper pin engagement in the knuckles of the door hinge on the aft movable ballast box assembly, which could allow the ballast weights to escape the ballast box and strike the tail rotor assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove all ballast weights from the aft movable ballast box assembly, prohibit the use of ballast weights within the aft movable ballast box assembly, and install a modification to the hinge of the aft movable ballast box door, including a longer two-inch hinge assembly and adjusting the thickness of the rubber pad of the door assembly.
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 Model 505 helicopters, serial numbers 65011 and subsequent with ballast kit part number (P/N) SLS-706-201-001 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.