AD 99-22-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; Short Brothers Model SD3-60 Series Airplanes |
Unsafe Condition
Failure of the elevator trim cable due to fatigue cracking, which could result in reduced controllability of the airplane.
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Required Actions
Perform a visual inspection of the elevator trim cables for wear damage or broken wires within 12 months after the effective date. Replace damaged cables with 7x19 cables. Replace all 7x7 cables with 7x19 cables before 10,000 total flight hours or within 12 months after the effective date, whichever is later. Repeat inspections every 12 months or 2,400 flight hours.
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Compliance Time
Within 12 months after the effective date (November 26, 1999) for initial inspection and cable replacement. Repeat inspections within 12 months or 2,400 flight hours.
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Affected Aircraft
Short Brothers Model SD3-60 series airplanes, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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