AD 78-08-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes |
Unsafe Condition
Cracking of the rear passenger door structure under pressure loads could lead to possible failure of the door structure.
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Required Actions
Inspect the rear passenger door for cracks in accordance with British Aircraft Corporation Alert Service Bulletin 52-A-PM5448. Stop drill and inspect cracks at intervals not exceeding 50 flight hours if within specified limits. Repair cracks exceeding limits before further pressurized flight per Structural Repair Manual sections 51-20-0 and 52-02-5.
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Compliance Time
Prior to accumulating 30,000 landings or within 800 flight hours time in service after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 800 flight hours from the last crackfree inspection.
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Affected Aircraft
British Aircraft Corporation Model BAC 1-11 200 and 400 Series airplanes with a rear passenger door installed in the aft pressure bulkhead.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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