# Airworthiness Directives; Airbus SAS Airplanes
> **Rule** · Final rule. · Published 2019-11-19 · Effective 2019-12-24 · 84 FR 63794
## Document
- **Document number:** 2019-24994
- **Category:** airworthiness
- **Manufacturer:** Airbus SAS
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 84 FR 63794
- **Publication date:** 2019-11-19
- **Effective date:** 2019-12-24
- **FAA docket:** Docket No. FAA-2019-0400
## Abstract

The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. This AD was prompted by a quality control review, which determined that the wrong aluminum alloy was used to manufacture several structural parts. This AD requires a one-time eddy current conductivity measurement of certain structural parts of the outer flaps to determine if the incorrect alloy was used, and replacement if necessary, as specified in a European Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/11/19/2019-24994/airworthiness-directives-airbus-sas-airplanes)
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