# Proposed AD FAA-2019-0400: Airbus SAS Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2019-21-10
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: June 7, 2019, 84 FR 26598
- Comments due: July 22, 2019
- Became: [AD 2019-21-10](https://openairdocs.org/ad/2019-21-10)
- Docket: FAA-2019-0400 (https://www.regulations.gov/docket/FAA-2019-0400, where comments are filed)
- FR document: 2019-11832
- Official PDF: https://openairdocs.org/files/sha256/06/fa/06fab9b90a5b02e33c467ce4e1efdd731c01914d491afbe16e3374416ef49c51 (from https://www.govinfo.gov/content/pkg/FR-2019-06-07/pdf/2019-11832.pdf)
- Federal Register: https://www.federalregister.gov/documents/2019/06/07/2019-11832/airworthiness-directives-airbus-sas-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5ECE1F8E8F32C2AB8625841400546725.0001
- Page: https://openairdocs.org/proposed/FAA-2019-0400

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A321-111, A321-112, A321-131, A321-211, A321- 212, A321-213, A321-231 and A321-232 airplanes. This proposed AD was prompted by a quality control review, which determined that the wrong aluminum alloy was used to manufacture several structural parts. This proposed AD would require 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 an European Aviation Safety Agency (EASA) AD, which will be incorporated by reference. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Jun 7, 2019: Notice of proposed rulemaking (NPRM). (first notice), FR document 2019-11832, comments due Jul 22, 2019 (https://www.federalregister.gov/documents/2019/06/07/2019-11832/airworthiness-directives-airbus-sas-airplanes)

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