AD 2004-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short | Brothers Model SD3-SHERPA Series | Airworthiness Directives; Short Brothers Model SD3-SHERPA Series Airplanes |
Unsafe Condition
Corrosion and abnormal wear to the top and bottom shear decks, which could result in damage to the main landing gear (MLG) and consequent reduced controllability of the airplane on landing.
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Required Actions
Perform a detailed inspection of the stub wing shear decks to detect corrosion and/or abnormal wear. If any corrosion and/or abnormal wear is discovered, perform corrective actions in accordance with the Accomplishment Instructions of Short Brothers Service Bulletin SD3 SHERPA-53-6, dated May 2003. Operators may also choose to perform an optional terminating action, which includes replacing the retaining pin and circlip with a new retaining pin, washer, castellated nut, and cotter pin.
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Compliance Time
Within 6 months after the effective date of this AD, and continuing at intervals not to exceed 6 months.
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Affected Aircraft
Short Brothers Model SD3-SHERPA series airplanes, except those that have embodied Short Brothers Service Bulletin SD3 SHERPA-32-4, dated July 2003; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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