# Airworthiness Directives; Overland Aviation Services Fire Extinguishing System Bottle Cartridges
> **Rule** · Final rule. · Published 2001-11-02 · Effective 2001-12-10 · 66 FR 55559
## Document
- **Document number:** 01-27412
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 55559
- **Publication date:** 2001-11-02
- **Effective date:** 2001-12-10
- **FAA docket:** Docket No. 98-CE-113-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that applies to certain Overland Aviation Services (OAS) fire extinguishing system bottle cartridges that were distributed during a certain time period and are installed on aircraft. This AD requires you to remove from service any of these fire extinguishing system bottle cartridges. This AD is the result of several incidents where the fire extinguishing system bottle cartridges activated with excessive energetic force. In one instance, the discharge valve outlet screen fractured and the screen material went through the distribution manifold. The actions specified by this AD are intended to prevent damage to fire extinguishing system components caused by a fire extinguishing system bottle cartridge activating with excessive energetic force, which could result in the fire extinguishing system operating improperly.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/11/02/01-27412/airworthiness-directives-overland-aviation-services-fire-extinguishing-system-bottle-cartridges)
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