# Airworthiness Directives; Dassault Aviation Airplanes
> **Rule** · Final rule. · Published 2013-06-04 · Effective 2013-07-09 · 78 FR 33199
## Document
- **Document number:** 2013-12722
- **Category:** airworthiness
- **Manufacturer:** Dassault Aviation
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 33199
- **Publication date:** 2013-06-04
- **Effective date:** 2013-07-09
- **FAA docket:** Docket No. FAA-2012-1322
## Abstract

We are adopting a new airworthiness directive (AD) for certain Dassault Aviation Model Mystere-Falcon 900 and Falcon 900EX airplanes. This AD was prompted by reports of chafing between the tail strobe power supply and a hydraulic line. This AD requires modifying the tail strobe power supply wire routing. We are issuing this AD to prevent chafing between the tail strobe power supply and a hydraulic line, which could result in hydraulic fluid leakage and possible fire due to arcing, and consequent loss of control of the airplane due to structural failure of the tail.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/06/04/2013-12722/airworthiness-directives-dassault-aviation-airplanes)
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