AD 93-13-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; SHORT BROTHERS, PLC Model SD3-60 Series Airplanes |
Unsafe Condition
Failure of the MLG actuator to unlock, which would prevent the extension of the MLG.
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Required Actions
Replace the MLG actuator with a serviceable actuator marked '32-69SD' in accordance with Dowty Aerospace Hydraulics - Cheltenham Service Bulletin 32-69SD, Revision 2. Do not install MLG actuators with specified serial numbers unless marked '32-69SD'.
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Compliance Time
Within 6 months after the effective date of this AD
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Affected Aircraft
SHORT BROTHERS, PLC Model SD3-60 series airplanes equipped with MLG actuator part number 104796004 having serial numbers DRG/4729/86, DRG/4730/86, DRG/5057/86, DRG/5059/86, DRG/5060/86, or DRG/5061/86.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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