Commonwealth legislation

AD/F27/81 - Engine Mount Tubes - Inspection

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This instrument mandates inspections for cracks of specific engine mount tubes (Fokker F27, P/N 27.1-8101-000-403, S/N 590–725) using the radiographic technique in Fokker Service Bulletin F27/71-25, with the first check within 500 hours’ time‑in‑service after 31 Dec 1973 and then at least annually. Operators of affected aircraft must arrange and pay for inspections and any follow‑up; an alternative NDT method is only permitted if approved by the Secretary.

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AD/F27/81 - Engine Mount Tubes - Inspection

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Fokker F27 Series Aeroplanes

AD/F27/81 Engine Mount Tubes - Inspection 12/73

Applicability: All model F27 on which engine mount P/N 27.1-8101-000-403 with S/Nos. 590 to 725 have been installed.

Requirement: 1. Inspect referenced engine mount tubes in accordance with Fokker F27 SB F27/71- 25 for cracks using the radiographic technique as detailed; or

Inspect the engine mount tubes detailed in Fokker F27 SB F27/71-25, for cracks using an alternative non destructive technique approved by the Secretary.

Compliance: Within 500 hours time in service after 31 December 1973 and there-after at intervals not exceeding 1 year.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.