AD 2007-12-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A340-211 | Airworthiness Directives; Airbus Model A340-211, -212, -311, and -312 Airplanes |
Unsafe Condition
Cracking outside modification limits in the first fastener hole of the horizontal flange of the keel beam, which could result in reduced structural integrity of the fuselage.
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Required Actions
Inspect the first fastener hole of the horizontal flange of the keel beam using a rotating probe and ultrasonic methods. Install new fasteners as necessary. Perform additional cold working of fastener holes and modifications of the CWB lower panel/keel beam interface as specified in Airbus Service Bulletin A340-57-4099. Ensure repairs are accomplished per a method approved by the FAA or EASA.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A340-211, -212, -311, and -312 airplanes that have been previously modified as per Airbus Service Bulletin A340-57-4087.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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