AD 2016-21-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330-200 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Hydraulic line check valves, specifically Part Number CAR401, are reported to loosen, leading to potential hydraulic leaks and the risk of losing all three hydraulic systems, which could result in loss of control of the airplane.
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Required Actions
Replace certain check valves with improved check valves (Part Number CAR402) in the green, blue, and yellow high pressure hydraulic manifolds. This modification terminates the repetitive inspections previously required.
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Compliance Time
Within 12 months of the effective date of December 27, 2016.
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Affected Aircraft
All Airbus Model A330-200, -200 Freighter, and -300 series airplanes; and Model A340-200 and -300 series airplanes equipped with Part Number CAR401 check valves.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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