Data / Federal rules / 2026-11218
Airworthiness Directives; Airbus SAS Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on June 4, 2026. Comments closed on July 20, 2026.
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What the agency says
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.
Key facts
- Document number
- 2026-11218
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- June 4, 2026
- Comments due
- July 20, 2026
- Dates
- The FAA must receive comments on this proposed AD by July 20, 2026.
- Docket
- Docket No. FAA-2026-4649; Project Identifier MCAI-2025-00835-T
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 5
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in June 2026
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