# Airworthiness Directives; Intertechnique Zodiac Aircraft Systems, Oxygen Reserve Cylinders
> **Rule** · Final rule; request for comments. · Published 2008-01-11 · Effective 2008-01-28 · 73 FR 1968
## Document
- **Document number:** E7-25391
- **Category:** airworthiness
- **Manufacturer:** Intertechnique Zodiac
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 73 FR 1968
- **Publication date:** 2008-01-11
- **Effective date:** 2008-01-28
- **FAA docket:** Docket No. FAA-2007-0374
## Abstract

We are adopting a new airworthiness directive (AD) for certain oxygen reserve cylinders. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country with which we have a bilateral agreement to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/01/11/E7-25391/airworthiness-directives-intertechnique-zodiac-aircraft-systems-oxygen-reserve-cylinders)
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