Commonwealth legislation

AD/HU 369/101 - Oil Cooler Blower Bracket

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

Mechanically: requires replacing oil‑cooler blower bracket P/No 369F5190‑1 with serviceable bracket P/No 369F5194‑1 on specified 369/500/600 series helicopters within 100 flight hours.

It applies only to helicopters fitted with the listed part and is intended to prevent bracket cracks that can cause loss of engine and transmission oil cooling. Operators pay for parts, fitting and downtime and must source the replacement within the compliance window.

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AD/HU 369/101 - Oil Cooler Blower Bracket

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

AD/HU 369/101 Oil Cooler Blower Bracket 13/99

Applicability: Model 369D, 369E, 369FF, 500N, and 600N helicopters with oil cooler blower bracket, P/No 369F5190-1, installed.

Requirement: Replace oil cooler blower bracket, P/No. 369F5190-1, with a serviceable bracket, P/No. 369F5194-1.

Note: FAA AD 99-20-12 also refers.

Compliance: Within 100 hours time in service after the effective date of this airworthiness directive.

This Airworthiness Directive becomes effective on 30 December 1999.

Background: There have been reports of cracked oil cooler blower brackets. Failure of a bracket can result in loss of cooling of engine oil and transmission oil and a subsequent forced landing.

Source text

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