# Airworthiness Directives; Bombardier, Inc., Airplanes
> **Rule** · Final rule. · Published 2024-09-25 · Effective 2024-10-30 · 89 FR 78231
## Document
- **Document number:** 2024-21807
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 89 FR 78231
- **Publication date:** 2024-09-25
- **Effective date:** 2024-10-30
- **FAA docket:** Docket No. FAA-2024-1479
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by a determination that a revised restrictive airworthiness limitation is necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate a revised restrictive airworthiness limitation for the aft engine mount attachment bolts. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/09/25/2024-21807/airworthiness-directives-bombardier-inc-airplanes)
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