AD 78-11-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Failure of the main landing gear swivel assembly due to the use of swivel sub-assembly part numbers 17684-1, -3, -7, -9, or -9A, flange collar part number SD3-40-0023, and associated fasteners.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the existing swivel sub-assembly (P/N 17684-1, -3, -7, -9, or -9A), flange collar (P/N SD3-40-0023), and associated fasteners. Replace with swivel sub-assembly P/N 17684-13, flanged collar P/N SD3-40-0040xB, and new fasteners per Short Brothers Mandatory Service Bulletin SD3-32-03, Rev 3, and Menasco Service Bulletin 32-8, Rev 1, or FAA-approved equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to accumulating 5000 landings or within 100 landings after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Short Brothers PLC Model SD3-30 airplanes, serial numbers 3003 through 3010.
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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