AD 2004-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short | Brothers Model SD3 Series | Airworthiness Directives; Short Brothers Model SD3 Series Airplanes |
Unsafe Condition
Corrosion and deterioration of the aft pintle pin bushings of the main landing gear (MLG), which could result in the MLG not extending fully during landing, with consequent damage to the airplane structure.
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Required Actions
Within 24 months after the effective date, perform a friction test for stiffness of the aft pintle pin bushings of the MLG, conduct a detailed inspection for any defect of the bushings, and measure the bore diameter of the bushings (if a defect is found, the bushing must be replaced). All applicable corrective actions and other specified actions must be completed prior to further flight, following the applicable service bulletin.
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Compliance Time
Within 24 months after the effective date
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Affected Aircraft
All Short Brothers Model SD3 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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