AD 87-17-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; SHORT BROTHERS PLC Model SD3-60 Airplanes |
Unsafe Condition
Failure of the fuel purge valve could result in fuel ingress into the main cabin.
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Required Actions
Apply sealant to the fuselage top skin in accordance with Short Service Bulletin SD360-53-22, Revision 1, dated April 1986. An alternate means of compliance or adjustment of the compliance time may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199 to operate airplanes to a base for modifications.
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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 airplanes, serial numbers SH3601 through SH3678, 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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