AD 89-09-06
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
Collapse of the main landing gear due to undetected cracks in the support beams.
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Required Actions
Perform initial and repetitive ultrasonic and eddy current inspections of the main landing gear support beams as per BAe Alert Service Bulletin 57-A-PM6000. Repair cracks prior to further flight. Install part number EDO3-5007/8 (Modification PM5928) to terminate AD requirements. Alternate compliance may be approved by the FAA Manager.
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Compliance Time
Initial inspections must be completed within specified timeframes (e.g., 300 landings after July 30, 1987, or within 3/6/8 years since installation) depending on airplane serial number and modification status. Repetitive inspections at intervals not exceeding 12, 36, or 24 months as specified.
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Affected Aircraft
British Aerospace Model BAC 1-11 200 and 400 series airplanes with Modification PM3070 installed and PM5928 not installed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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