Commonwealth legislation

AD/PT6T/2 - Check and Regulating Valve Housing Reinforcing Bracket

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

1/10 complexity

What this does: This Airworthiness Directive (AD) requires operators of specific Pratt & Whitney Canada aircraft engines to inspect or modify a reinforcing bracket on the check and regulating valve housing.

Who it affects: Owners and operators of aircraft fitted with PT6T-3 power sections (engine serial numbers prior to CP-PS60553).

What must be done: Follow the technical instructions in either:

United Aircraft of Canada Limited Service Bulletin No. 5063 (Revision 1); or
Airworthiness Directive AD/UAC-T/22

Deadline: The work had to be completed before 31 January 1975.

Why it matters: The reinforcing bracket ensures the structural integrity of the valve housing. This directive prevents potential engine failure due to structural defects in this critical component.

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AD/PT6T/2 - Check and Regulating Valve Housing Reinforcing Bracket

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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 Pratt and Whitney Canada Turbine Engines - PT6T Series

AD/PT6T/2 Check and Regulating Valve Housing Reinforcing Bracket

Applicability: All PT6T-3 power sections prior to S/No. CP-PS60553. Document: 1. UACL SB No. 5063, Rev. 1; or

AD/UAC-T/22. Compliance: Before 31 January 1975.

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Source text

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