Commonwealth legislation

AD/TPE 331/19 - Turbine Bearing Support Replacement and Pitch Control Sleeve Pin - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive mandates replacement of the turbine bearing support and inspection of the pitch‑control sleeve pin on specified AlliedSignal (Garrett/AiResearch) TPE‑331 engines, to be carried out per the referenced service/airworthiness documents. It sets firm compliance windows tied to engine hours (including requirements for spares), affects owners/operators and their maintenance organisations, and is issued by CASA under Part 39. Operators are responsible for scheduling, funding and documenting the mandated work.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/TPE 331/19 - Turbine Bearing Support Replacement and Pitch Control Sleeve Pin - Inspection.

AD/TPE 331/19 - Turbine Bearing Support Replacement and Pitch Control Sleeve Pin - Inspection

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 (Garrett/AiResearch) Turbine Engines - TPE 331 Series

AD/TPE 331/19 Turbine Bearing Support Replacement and

Pitch Control Sleeve Pin - Inspection

3/86

Applicability: TPE-331-3U-303G, -3UW-303G, -5-251C, -5-251K, -6-251M which are listed in the reference document by their S/Nos. and those additional engines which had SB TPE- 331-72-0055 incorporated.

Document: 1. AiResearch SB TPE-331-72-0087, Rev. 2; or 2. FAA AD No. 74-24-05, or

AD/AIR-T/24A.

Compliance: 1. For engines with less than 100 hours time in service - Within 25 hours time in service after 31 January 1975.

2. For engines with more than 100 hours time in service \- Within 300 hours time in service after 31 January 1975.

3. For spare engines \- Before installation in an aircraft after 31 January 1975.

Source text

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

1 AD/TPE 331/19 - Turbine Bearing Support Replacement and Pitch Control Sleeve Pin - Inspection