# Airworthiness Directives; Bombardier, Inc., Airplanes
> **Rule** · Final rule. · Published 2020-02-06 · Effective 2020-03-12 · 85 FR 6752
## Document
- **Document number:** 2020-02197
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 6752
- **Publication date:** 2020-02-06
- **Effective date:** 2020-03-12
- **FAA docket:** Docket No. FAA-2019-0725
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by a report that easy removal of the portable oxygen bottle from its support bracket may not always be possible on certain installations. This AD requires installation of a modified top bracket and new middle bracket on all affected portable oxygen bottle installations. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/02/06/2020-02197/airworthiness-directives-bombardier-inc-airplanes)
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