# Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
> **Rule** · Final rule; request for comments. · Published 2024-09-26 · Effective 2024-10-11 · 89 FR 78791
## Document
- **Document number:** 2024-22095
- **Category:** airworthiness
- **Manufacturer:** Bell Textron Inc. and Various Restricted Category
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 89 FR 78791
- **Publication date:** 2024-09-26
- **Effective date:** 2024-10-11
- **FAA docket:** Docket No. FAA-2024-2319
## Abstract

The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. Model 204B, 205A, 205A-1, 205B, 210, and 212 helicopters and various restricted category helicopters with certain part-numbered tension torsion (TT) straps installed by supplemental type certificate (STC) No. SR03408CH. This AD was prompted by an accident involving failure of a TT strap. This AD requires removing the specified part-numbered TT straps from service and prohibits installing those TT straps. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/09/26/2024-22095/airworthiness-directives-bell-textron-inc-and-various-restricted-category-helicopters)
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