AD 79-11-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model 79 SD3-30 Airplanes |
Unsafe Condition
Fatigue failure of the bolts, P/N A111-5-G (10 places) and A111-5-J (2 places), attaching the engine support tube brackets to the engine ring.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the bolts and associated hardware with new bolts, P/N MS. 21250-05008 (10 places) and MS. 21250-06008 (2 places), and associated hardware in accordance with Section 2 of Short Brothers Limited Service Bulletin No. SD3-71-04 dated February 14, 1978, or an FAA-approved equivalent.
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Compliance Time
prior to the accumulation of 6000 total landings or prior to the accumulation of 25 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 3017
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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