AD 67-27-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 200 Series Airplanes |
Unsafe Condition
Failure of the fin rib assembly due to cracks in fin rib assemblies numbers 2, 3, 4, 5, and 6.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a visual or radiographic inspection of fin rib assemblies numbers 2, 3, 4, 5, and 6 for cracks in accordance with BAC 1-11 Alert Service Bulletin No. 55-A-PM 2730 or equivalent. If damage exceeds permissible limits, repair damaged parts before further flight. Discontinue inspections after modification with BAC Service Bulletin No. 55-PM-2742.
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Compliance Time
Within the next 200 hours' time in service after the effective date of this AD or before the accumulation of 2,300 hours' time in service, whichever occurs later, and thereafter at intervals not to exceed 1,000 hours' time in service for fin assemblies 3, 4, and 5, and 1,500 hours' time in service for fin rib assemblies 2 and 6.
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Affected Aircraft
BRITISH AIRCRAFT Model BAC 1-11 200 Series airplanes not modified with BAC Modification PM 2742(d).
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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