AD 78-13-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Collapse of the main landing gear
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a one-way restrictor valve (Menasco P/N 17516-1 or 17517-1) and associated hardware in the main landing gear retraction/extension system (right and left) per Short Brothers Limited Service Bulletin SD3-32-41, figures 1, 2, and 3, or FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to the accumulation of 50 landings after the effective date of this AD
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Affected Aircraft
Short Brothers PLC Model SD3-30 airplanes, serial numbers 3003 through 3015
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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