# Airworthiness Directives; Embraer S.A. Airplanes
> **Rule** · Final rule. · Published 2014-09-17 · Effective 2014-10-22 · 79 FR 55604
## Document
- **Document number:** 2014-21913
- **Category:** airworthiness
- **Manufacturer:** Embraer S.A.
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 79 FR 55604
- **Publication date:** 2014-09-17
- **Effective date:** 2014-10-22
- **FAA docket:** Docket No. FAA-2014-0390
## Abstract

We are superseding an airworthiness directive (AD) 2013-22-20 for Embraer S.A. Model EMB-505 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued 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 cracks beyond acceptable limits in the carbon discs of the left hand (LH) and right hand (RH) brake assemblies. We are issuing this AD to require actions to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/09/17/2014-21913/airworthiness-directives-embraer-sa-airplanes)
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