AD 2011-03-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B4-600 and A300 B4-600R | Airworthiness Directives; Airbus Model A300 B4-600 and A300 B4-600R Series Airplanes, Model A300 F4-605R Airplanes, and Model A300 C4-605R Variant F Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A300 B4-600 and A300 B4-600R Series Airplanes, Model A300 F4-605R Airplanes, and Model A300 C4-605R Variant F Airplanes |
Unsafe Condition
A recent Wide spread Fatigue Damage (WFD) calculation on A300-600 aeroplanes has shown that a reinforcement of the upper fuselage circumferential joint at FR (frame) 58 is necessary to enable the aeroplane to reach the Extended Service Goal (ESG). The failure of the circumferential joint of the upper fuselage could affect the structural integrity of the aeroplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reinforce the fuselage butt joint at FR 58 in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A300-53-6146, Revision 01, including Appendix 1, dated June 26, 2009.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 2,000 flight cycles after the effective date of this AD, or before the accumulation of 42,500 total flight cycles, whichever occurs later.
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Affected Aircraft
Airbus Model A300 B4-601, B4-603, B4-620, and B4-622 airplanes; Model A300 B4-605R and B4-622R airplanes; Model A300 F4-605R airplanes on which modification 12699 has not been accomplished; and Model A300 C4-605R Variant F airplanes; all serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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