# Proposed AD FAA-2024-1701: Airbus SAS Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2025-05-14
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 1, 2024, 89 FR 54393
- Comments due: August 15, 2024
- Became: [AD 2025-05-14](https://openairdocs.org/ad/2025-05-14)
- Docket: FAA-2024-1701 (https://www.regulations.gov/docket/FAA-2024-1701, where comments are filed)
- Project: MCAI-2024-00153-T
- FR document: 2024-14437
- Official PDF: https://openairdocs.org/files/sha256/32/3d/323db6826ae933acb72a6336e0a2581ef73bde39a64ade094a5f5e5de3676eac (from https://www.govinfo.gov/content/pkg/FR-2024-07-01/pdf/2024-14437.pdf)
- Federal Register: https://www.federalregister.gov/documents/2024/07/01/2024-14437/airworthiness-directives-airbus-sas-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2024-14437-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2024-1701

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and A350-1041 airplanes. This proposed AD was prompted by a report the thrust reverser and pylon thermal blankets were found damaged due to air leaking from the pre- cooler exchanger (PCE). This proposed AD would require repetitively testing the PCE for air leaks and reporting the results, and depending on findings, replacing the PCE and inspecting the thermal blankets for damage, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Jul 1, 2024: Notice of proposed rulemaking (NPRM). (first notice), FR document 2024-14437, comments due Aug 15, 2024 (https://www.federalregister.gov/documents/2024/07/01/2024-14437/airworthiness-directives-airbus-sas-airplanes)

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