# Airworthiness Directives; Airbus Model A318, A319, A320, and A321 Airplanes
> **Rule** · Final rule. · Published 2007-06-20 · Effective 2007-07-25 · 72 FR 33877
## Document
- **Document number:** E7-11780
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 33877
- **Publication date:** 2007-06-20
- **Effective date:** 2007-07-25
- **FAA docket:** Docket No. FAA-2006-26051
## 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 airworthiness authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a fire in the auxiliary power unit air intake. We are issuing this AD to require actions to correct the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/06/20/E7-11780/airworthiness-directives-airbus-model-a318-a319-a320-and-a321-airplanes)
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