AD 2009-06-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A321-131 | Airworthiness Directives; Airbus Model A321-131 Airplanes |
Unsafe Condition
Fatigue cracks may develop on inner rear spars starting from the fastener holes for the attachment of gear rib 5, the forward pintle fitting, and the actuating cylinder anchorage on certain Airbus Model A321-131 airplanes.
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Required Actions
Conduct repetitive ultrasonic inspections to detect cracks in the wing inner rear spars at the attachment holes of the MLG forward pintle fitting, the actuator cylinder anchorage fitting, and rib 5 fitting. Repair the sealant if no cracks are found, or repair any cracks using a method approved by the FAA or EASA.
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Compliance Time
Within the specified inspection intervals outlined in the service information.
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Affected Aircraft
Airbus Model A321-131 airplanes, specifically those with manufacturer serial numbers (MSNs) 364 and 385, and potentially other similar models as determined by the FAA.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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