Commonwealth legislation

AD/T53/6 - Overspeed Pickup Gear and Shaft - Inspection and Modification

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

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This airworthiness directive requires owners/operators of AlliedSignal (Lycoming) T5313A, T5313A with serial‑number suffix “A”, and T5313B turbine engines to inspect the overspeed pickup gear and shaft and then carry out a prescribed modification. Inspections must begin within 25 hours time‑in‑service after 25 February 1971 and repeat every 25 hours until the modification is done; the modification must be completed within 200 hours after 30 June 1971 (Compliance paras 1–2). Owners/operators pay costs and manage downtime; CASA enforces the directive.

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AD/T53/6 - Overspeed Pickup Gear and Shaft - Inspection and Modification

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source AlliedSignal (Lycoming) Turbine Engines - T53 Series

AD/T53/6 Overspeed Pickup Gear and Shaft - Inspection

and Modification Applicability: All model T5313A, T5313A S/No. Suffix "A", and T5313B. Document: 1. Lycoming Field service Bulletin No. 0022, Rev. 1; and

2. Lycoming Overhaul Mod. Bulletin No. 0036, Rev. 1; or

3. AD/LYC-T/6A.

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Compliance: 1. Inspect in accordance with Lycoming FSB No. 0022, Rev. 1 Part 1 within 25 hours time in service after 25 February 1971 and thereafter at intervals not exceeding 25 hours time in service until modified.

2. Modify within 200 hours time in service after 30 June 1971 in accordance with Part 11 of FSB No. 0022 Rev. 1, or OMB No. 0036, Rev. 1.

Source text

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