AD 97-10-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; British Aerospace Model BAC 1-11 200 and 400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; British Aerospace Model BAC 1-11 200 and 400 Series Airplanes |
Unsafe Condition
Fatigue cracking of the lugs of the engine mounting beams could result in reduced structural capability of the engine mount.
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Required Actions
Perform an ultrasonic inspection of the engine mounting beam lugs in accordance with British Aerospace Alert Service Bulletin 53-A-PM6032. If cracking is detected, replace the engine mounting beam prior to further flight.
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Compliance Time
Within 850 landings, 1,700 flight hours, or 2 years after the effective date of this AD, whichever occurs first. Repeat inspections at intervals not exceeding 1,700 flight hours or 850 landings.
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Affected Aircraft
British Aerospace Model BAC 1-11 200 and 400 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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