Commonwealth legislation

AD/RRT-S/3 - Stage 2 and 3 H.P. Compressor Discs - Increased Thickness Neck and Diaphragm

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive makes compliance with Rolls‑Royce Service Bulletin Sp 72‑715 Parts 1 and 2 mandatory for operators of the specified Rolls‑Royce Spey engines.

Operators must perform the Bulletin’s modifications/inspections either on the Bulletin’s schedule or by 4,000 compressor‑disc cycles, whichever comes first; operators bear the costs and must track disc cycles to ensure compulsory compliance under Part 39.

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AD/RRT-S/3 - Stage 2 and 3 H.P. Compressor Discs - Increased Thickness Neck and Diaphragm

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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 Rolls Royce Turbine Engines - Spey Series

AD/RRT-S/3 Stage 2 and 3 H.P. Compressor Discs - Increased

Thickness Neck and Diaphragm

9/74

Applicability: Spey 505-5F, 506-14, 506-14A, 506-14AW, 506-14D, 511-5W, 511-8, 511-14, 511-

14W, 555-15.

Requirement: Rolls Royce Spey SB No. Sp 72-715 Part 1 and Part 2.

Compliance: As per the requirement document or at 4000 disc cycles, whichever occurs first.

Source text

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