AD 90-14-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; SHORT BROTHERS Model SD3-60 Series Airplanes |
Unsafe Condition
Reduced structural integrity of the wings due to potential cracks in the left and right outerwing/strut and stub wing/strut attachment fittings.
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Required Actions
Inspect left and right outerwing/strut and stub wing/strut attachment fittings visually per Short Brothers Service Bulletin SD360-57-12 at intervals not exceeding 600 hours time-in-service, starting from 9,600 hours time-in-service or within 30 days after July 23, 1990, whichever is later. Repair or replace cracked parts before further flight with FAA approval.
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Compliance Time
Required as indicated, unless previously accomplished. Inspections must be done by the later of 9,600 hours time-in-service or within 30 days after the effective date (July 23, 1990), with subsequent intervals not exceeding 600 hours time-in-service.
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Affected Aircraft
Short Brothers PLC Model SD3-60 series airplanes, Serial Numbers SH3601 through SH3642, inclusive, 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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