AD 2018-13-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A320-211 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Fatigue cracking of the front spar vertical stringers on the wings, which could result in the reduced structural integrity of the airplane.
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Required Actions
Repetitive inspections for cracking of the radius of the front spar vertical stringers and the horizontal floor beam on FR 36, repetitive inspections for cracking of the fastener holes of the front spar vertical stringers on FR 36, and repair if necessary. Reporting of inspection findings and modification of the airplane as specified in Airbus Service Bulletin A320-57-1200.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Airbus Model A320-211, -212, and -231 airplanes, manufacturer serial number MSN 0080 up to MSN 0155 inclusive, and airplanes with vertical stiffeners of the forward wing spar upper end with stiffener cap thickness increased from 4 to 6 mm (Airbus mod 21290P1547)
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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