# Airworthiness Directives; Dassault Aviation Airplanes
> **Rule** · Final rule. · Published 2014-09-15 · Effective 2014-10-20 · 79 FR 54897
## Document
- **Document number:** 2014-21772
- **Category:** airworthiness
- **Manufacturer:** Dassault Aviation
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 79 FR 54897
- **Publication date:** 2014-09-15
- **Effective date:** 2014-10-20
- **FAA docket:** Docket No. FAA-2013-0423
## Abstract

We are adopting a new airworthiness directive (AD) for all Dassault Aviation Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes; Model MYSTERE-FALCON 200 airplanes; and Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes. This AD was prompted by reports of a manufacturing defect in the charge indicator on fire extinguisher bottles. This AD requires repetitive weighing of fire extinguisher bottles having a certain part number, and eventual replacement of those bottles to terminate the repetitive weighing. We are issuing this AD to detect and correct a dormant failure in the fire suppression system, which could result in the inability to put out a fire in an engine, auxiliary power unit, or rear compartment.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/09/15/2014-21772/airworthiness-directives-dassault-aviation-airplanes)
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