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AD 79-11-01 ACTIVE

Attaching Bolts
Key Information
AD Number 79-11-01 Status Active
Effective Date June 25, 1979 Issue Date Not specified
Docket Number Unknown Amendment 39-3476
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Short Brothers PLC
Model(s) SD3-30
Regulatory Text

79-11-01 SHORT BROTHERS LIMITED: Amendment 39-3476. Applies to Model SD3-30 airplanes, S/N's 3003 through 3017, certificated in all categories.

Compliance is required 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, unless already accomplished.

To prevent 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, 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, "ACCOMPLISHMENT INSTRUCTIONS," of Short Brothers Limited Service Bulletin No. SD3-71-04, dated February 14, 1978, or an FAA-approved equivalent.

This amendment becomes effective June 25, 1979.