# Proposed AD FAA-2020-0339: Airbus SAS Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2020-21-08
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: April 27, 2020, 85 FR 23252
- Comments due: June 11, 2020
- Became: [AD 2020-21-08](https://openairdocs.org/ad/2020-21-08)
- Docket: FAA-2020-0339 (https://www.regulations.gov/docket/FAA-2020-0339, where comments are filed)
- FR document: 2020-08753
- Official PDF: https://openairdocs.org/files/sha256/f3/05/f305993222d8d0601afde75d5180e154851b9a337f75dea54dd67d4be3dc16a8 (from https://www.govinfo.gov/content/pkg/FR-2020-04-27/pdf/2020-08753.pdf)
- Federal Register: https://www.federalregister.gov/documents/2020/04/27/2020-08753/airworthiness-directives-airbus-sas-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/707EA57F6BE803538625855700429C7E.0001
- Page: https://openairdocs.org/proposed/FAA-2020-0339

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A350-941 airplanes. This proposed AD was prompted by reports that the latches for the forward and aft pressure relief doors could be opened during exposure to fire, leading to a breach in the engine core firewall. This proposed AD would require modification and re-identification of the affected thrust reversers (TRs) and latch access doors (LADs), as specified in a European Union 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

- Apr 27, 2020: Notice of proposed rulemaking (NPRM). (first notice), FR document 2020-08753, comments due Jun 11, 2020 (https://www.federalregister.gov/documents/2020/04/27/2020-08753/airworthiness-directives-airbus-sas-airplanes)

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