AD Amdt-39-10157
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A310 and A300-600 | Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes Equipped With Pratt & Whitney Turbofan Engines |
| engine | Pratt & Whitney | Turbofan | Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes Equipped With Pratt & Whitney Turbofan Engines |
Unsafe Condition
Failure of the seal of the hydraulic pump shaft could cause hydraulic fluid contamination of the engine oil system, leading to clogging of the hydraulic pump drain system and subsequent engine accessory gearbox oil contamination, which could result in an in-flight engine shutdown.
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Required Actions
Conduct flow checks of the hydraulic pump drain system to ensure no clogging, correct any discrepancies found, and replace the existing seal of the accessory gearbox with an improved seal assembly to terminate repetitive flow checks.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A310 and A300-600 series airplanes equipped with Pratt & Whitney turbofan engines.
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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