Commonwealth legislation

AD/SC7/4 - Engine Plenum Chamber Flexible Drain Lines - Installation

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

Operators of Short SC7 (Skyvan) Series 3 aircraft must install a flexible drain line in each engine plenum chamber, using either Short Service Bulletin No. 71‑56 Rev 1 or FAA AD 70‑15‑12. The work must be done within 25 hours time‑in‑service after 13 August 1970; owners/operators bear costs and potential short‑term downtime.

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AD/SC7/4 - Engine Plenum Chamber Flexible Drain Lines - Installation

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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 Short SC7 (Skyvan) Series Aeroplanes

AD/SC7/4 Engine Plenum Chamber Flexible Drain Lines - Installation

Applicability: All models of Series 3. Document: 1. Short SB No. 71-56, Rev. 1; or

FAA AD 70-15-12.

Compliance: Within 25 hours time in service after 13 August 1970.

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Source text

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