# Airworthiness Directives; ATR Model ATR42-500 and ATR72-212A Airplanes
> **Rule** · Final rule; request for comments. · Published 2009-06-12 · Effective 2009-06-29 · 74 FR 27911
## Document
- **Document number:** E9-13573
- **Category:** airworthiness
- **Manufacturer:** ATR Model ATR42-500 and ATR72-212A
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 74 FR 27911
- **Publication date:** 2009-06-12
- **Effective date:** 2009-06-29
- **FAA docket:** Docket No. FAA-2009-0524
## Abstract

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country 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/2009/06/12/E9-13573/airworthiness-directives-atr-model-atr42-500-and-atr72-212a-airplanes)
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