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Proposed rule

Airworthiness Directives; Airbus SAS Airplanes

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register June 4, 2026. Document 2026-11218. Updated Nov. 10, 2026.

What it does

The FAA proposes to supersede Airworthiness Directive (AD) 2025-04-05, which applies to all Airbus SAS Model A330-841 and -941 airplanes. AD 2025-04-05 requires a revision of the existing airplane flight manual (AFM) and removal of the previously required limitations; a revision of the existing minimum equipment list (MEL); one-time or repetitive seal integrity tests of each engine bleed air system (EBAS) high pressure valve (HPV); additional maintenance instructions and corrective actions; and repetitive replacement of affected HPV clips; as applicable. AD 2025-04-05 also limits the installation of affected HPV clips. Since the FAA issued AD 2025-04-05, an improved EBAS HPV with unaffected HPV clips was certified, and it was determined that the bleed monitoring computer (BMC) software (SW) must be updated. This proposed AD would continue to require the actions in AD 2025-04-05, except for repetitive replacement of affected HPV clips. This proposed AD would also require updating the BMC SW, additional work, and an additional revision of the existing MEL for the engine bleed overpressure valve; as applicable. This proposed AD would also prohibit the installation of certain BMC SW. The FAA is proposing this AD to address the unsafe condition on these products.

The Federal Aviation Administration's summary, as published in the Federal Register.

What it would change

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 39

Before this

839 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.

Since then:

What happens next and when

The FAA must receive comments on this proposed AD by July 20, 2026.

The agency's dates, word for word.

Document number2026-11218
ActionNotice of proposed rulemaking (NPRM).
AgenciesTransportation Department; Federal Aviation Administration
PublishedJune 4, 2026
Comments closeJuly 20, 2026
Regulation identifier (RIN)2120-AA64
DocketFAA-2026-4649

Source: the Federal Register (public domain). The document in the Federal Register