# Airworthiness Directives; Bell Textron Canada Limited Helicopters
> **Rule** · Final rule. · Published 2024-09-16 · Effective 2024-10-21 · 89 FR 75460
## Document
- **Document number:** 2024-20843
- **Category:** airworthiness
- **Manufacturer:** Bell Textron Canada Limited
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 89 FR 75460
- **Publication date:** 2024-09-16
- **Effective date:** 2024-10-21
- **FAA docket:** Docket No. FAA-2024-1296
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 505 helicopters. This AD was prompted by a fuel leakage discovered during fuel system crash impact testing activity. This AD requires installing a grommet around the sump drain port fitting airframe hole, 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/2024/09/16/2024-20843/airworthiness-directives-bell-textron-canada-limited-helicopters)
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