AD 2006-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B4-600 | Airworthiness Directives; Airbus Model A300 B4-600, B4-600R, and F4-600R Series Airplanes, and Model A300 C4-605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes) |
Unsafe Condition
A hole in the ram air turbine (RAT) hub cover could allow water to enter the RAT governing mechanism, freeze during flight, and jam the governing mechanism. Metal particles from chafing between the hydraulic flexible hose and the RAT could degrade the governing mechanism.
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Required Actions
Inspect for evidence of chafing between the hydraulic flexible hose and the RAT hub. Investigate and take corrective actions if necessary, including repairing or replacing the RAT hub cover as per Hamilton Sundstrand Component Maintenance Manual (CMM) 29-21-21. Repair or replacement must be done before further flight.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A300 B4-600, B4-600R, F4-600R Series Airplanes, and Model A300 C4-605R Variant F Airplanes (collectively called A300-600 Series Airplanes) equipped with a certain RAT.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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