AD 78-11-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Cracking of the main landing gear downlock stop, P/N 17780-1 or -3, could result in collapse of the gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the downlock stop for cracks using dye penetrant method per Menasco SB 32-18, Rev 1. If cracks found, replace with new part of same P/N or install P/N 17780-5 per Menasco SB 32-7, Rev 1. Inspections must be repeated at intervals not exceeding 500 landings unless replaced with P/N 17780-5.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to accumulating a total of 2000 landings or within the next 50 landings after the effective date of this AD, whichever occurs later, unless already accomplished within the last 450 landings, and thereafter at intervals not to exceed 500 landings
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Short Brothers PLC Model SD3-30 airplanes, certificated in all categories.
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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