AD 2018-20-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
Fatigue cracks in the bulk cargo door frames, caused by tartaric sulfuric anodizing (TSA)/chromic acid anodizing (CAA) surface treatment in certain bulk cargo door frame holes. Cracks in the bulk cargo door frames can cause the in-flight loss of a bulk cargo door, damage to the airplane, and subsequent reduced control of the airplane.
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Required Actions
New inspections of certain attachment holes for residual surface treatment and cracking, and corrective action if necessary; and provide an optional terminating action for the inspections. The inspections include rototest, high-frequency eddy-current (HFEC), and detailed inspections. The corrective action includes repair of the affected areas.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Airbus SAS Model A330-200, A330-200 Freighter, A330-300, A340-500, and A340-600 series airplanes; and Model A340-313 airplanes, with manufacturer serial numbers (MSNs) 0400 to 1779 and 0001 to 0399.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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