AD 97-11-14
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
Corrosion or cracking of the main landing gear (MLG) A-frame attachment fittings could result in collapse of the MLG.
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Required Actions
Conduct detailed visual inspections of MLG A-frame fittings to detect corrosion or cracking, repair corroded components within specified limits, replace components with new ones if corrosion exceeds limits or cracking is found, and repeat inspections at intervals of 4,000 landings or 2 years, whichever occurs first.
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Compliance Time
Required as indicated, unless accomplished previously. Initial inspections must be conducted within specific timeframes based on total landings as of the effective date (July 8, 1997): For airplanes with ≤16,000 landings, by the later of 16,000 landings/8 years or 6 months after the effective date. For airplanes with >16,000 landings, within 4,000 landings or 2 years after the effective date.
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Affected Aircraft
British Aerospace Model BAC 1-11 200 and 400 series airplanes equipped with MLG A-frame attachment fittings having part numbers listed in British Aerospace Alert Service Bulletin 53-A-PM6036, Issue 1.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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