Airworthiness Directives; Airbus SAS Airplanes
Transportation Department · Signed
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Current
Signed
Published Oct 19, 2026.
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Takes effect Nov 23, 2026
Public comment window: 27 days left.
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- ProposedPublished Oct 19, 2026
- SignedStatus: Signed · Published Oct 19, 2026
- In effectEffective Nov 23, 2026
- ChallengedNo challenge record stored beyond status. See the Federal Register source for litigation history.
- ClosedLast effective date Nov 23, 2026
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Effective Nov 23, 2026
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AS PUBLISHED
The FAA is superseding Airworthiness Directive (AD) 2025-04- 05, which applied to all Airbus SAS Model A330-841 and -941 airplanes. AD 2025-04-05 required 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 limited 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 AD continues to require the actions in AD 2025-04-05, except for repetitive replacement of affected HPV clips. This AD also requires updating the BMC SW, additional work, and an additional revision of the existing MEL for the engine bleed overpressure valve; as applicable. This AD also prohibits the installation of certain BMC software. The FAA is issuing this AD to address the unsafe condition on these products.
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- Federal Register entryPrimary record
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