AD 92-02-16
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 rudder torque tube fitting and reduced controllability of the airplane due to exfoliation corrosion.
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Required Actions
Within 90 days after the effective date, perform a visual inspection of the rudder torque tube fitting for exfoliation corrosion per Short Brothers Service Bulletin SD360-55-17. If corrosion is found within limits, remove corrosion and apply pre-treatment penetrant and corrosion preventative before further flight. If corrosion exceeds limits, repair as approved by the FAA. If no corrosion is found, apply pre-treatment penetrant and corrosion preventative before further flight.
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Compliance Time
Within 90 days after the effective date of this AD
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Affected Aircraft
Short Brothers PLC Model SD3-60 series airplanes, 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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