# Airworthiness Directives; Dassault Model Mystere-Falcon 900 and Falcon 900EX Airplanes
> **Rule** · Final rule; request for comments. · Published 2007-01-25 · Effective 2007-02-09 · 72 FR 3345
## Document
- **Document number:** 07-258
- **Category:** airworthiness
- **Manufacturer:** Dassault Model Mystere-Falcon 900 and Falcon 900EX
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 72 FR 3345
- **Publication date:** 2007-01-25
- **Effective date:** 2007-02-09
- **FAA docket:** Docket No. FAA-2007-26920
## Abstract

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as smoke or fire, which could be fanned by oxygen leakage from the third crew member oxygen mask box. This AD requires actions that are intended to address the unsafe condition described in the MCAI.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/01/25/07-258/airworthiness-directives-dassault-model-mystere-falcon-900-and-falcon-900ex-airplanes)
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