# Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
> **Rule** · Final rule. · Published 2022-01-12 · Effective 2022-02-16 · 87 FR 1668
## Document
- **Document number:** 2022-00351
- **Category:** airworthiness
- **Manufacturer:** Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 87 FR 1668
- **Publication date:** 2022-01-12
- **Effective date:** 2022-02-16
- **FAA docket:** Docket No. FAA-2021-1003
## Abstract

The FAA is superseding Airworthiness Directive (AD) 2021-15- 51, which applied to Bell Textron Inc. (type certificate previously held by Bell Helicopter Textron Inc.) Model 204B, 205A, 205A-1, 205B, and 212 helicopters. AD 2021-15-51 required removing certain main rotor hub strap pins (pins) from service and prohibited installing them on any helicopter. Since the FAA issued AD 2021-15-51, it was determined that a defective pin could also be installed on Bell Textron Inc. Model 210 helicopters. This AD continues the required actions in AD 2021-15- 51 and expands the applicability to add Model 210 helicopters. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/01/12/2022-00351/airworthiness-directives-bell-textron-inc-type-certificate-previously-held-by-bell-helicopter)
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