AD 2006-18-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A340-541 and -642 | Airworthiness Directives; Airbus Model A340-541 and -642 Airplanes |
Unsafe Condition
Failure of the anti-stall valve on the hydraulic pump of the ram air turbine (RAT) due to poor installation of the anti-stall valve sleeve, causing a shift in the anti-stall speed setting and leading to inability to supply adequate pressure to activate the RAT.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the anti-stall valve sleeve of the RAT for proper installation. Determine the part number of the modification plate on the hydraulic pump of the RAT. Perform follow-on corrective actions, including reworking the anti-stall valve or replacing the RAT with a new one, and conducting an operational test of the new RAT if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A340-541 and -642 airplanes.
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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