AD 2025-04-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
Leaking high-pressure valve (HPV) that may expose the pressure regulating valve (PRV) to high pressure, possibly damaging the PRV and preventing its closure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect HPV seal integrity, replace HPV clips at reduced intervals, revise the airplane flight manual (AFM) depending on BMC software configuration, and implement updates to the FAA-approved operator's minimum equipment list (MEL).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified intervals as outlined in the AD, with reduced replacement intervals for HPV clips.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus SAS Model A330-841 and -941 airplanes, with specific actions depending on installed BMC software configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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