Commonwealth legislation

AD/T53/11 - Replacement Of Compressor Rotor Discs and Impeller Assembly

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires replacement of compressor rotor discs and the impeller assembly on AlliedSignal (Lycoming) T53 engines—models T5309C, T5311A and T5311B—with work to be completed before 28 June 1974.

Affects aircraft operators and maintenance organisations; compliance must follow Lycoming SB No. 0033, FAA AD 74‑09‑03, or AD/LYC‑T/12. The measure is safety-driven and imposes direct costs for parts, labour and aircraft downtime.

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AD/T53/11 - Replacement Of Compressor Rotor Discs and Impeller Assembly

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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/T53/11 Replacement Of Compressor Rotor Discs and

Impeller Assembly

Applicability: All models T5309C, T5311A, T5311B engines. Document: 1. Lycoming SB No. 0033; or

2. FAA AD 74-09-03; or

3. AD/LYC-T/12. Compliance: Before 28 June 1974

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Source text

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