# Airworthiness Directives; Bell Textron Canada Limited Helicopters
> **Rule** · Final rule; request for comments. · Published 2022-12-28 · Effective 2023-01-12 · 87 FR 79794
## Document
- **Document number:** 2022-28315
- **Category:** airworthiness
- **Manufacturer:** Bell Textron Canada Limited
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 87 FR 79794
- **Publication date:** 2022-12-28
- **Effective date:** 2023-01-12
- **FAA docket:** Docket No. FAA-2022-1658
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 407 helicopters. This AD was prompted by an accident. This AD requires inspecting the tailboom attachment structure, as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/12/28/2022-28315/airworthiness-directives-bell-textron-canada-limited-helicopters)
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