AD/HU 369/70 - Main Transmission Tail Rotor Output Drive Pinion Shaft

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B10735 In force Legislative Instrument

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

 

AD/HU 369/70 Main Transmission Tail Rotor Output Drive Pinion Shaft

Applicability: All model 369D, 369E, 369F and 369FF series Helicopters.


8/87

TLX

 

Requirement: Action in accordance with McDonnell Douglas SIN No. DN-147, EN-35, FN-24, as applicable.

 

Compliance: For helicopters fitted with transmission assemblies which have the Serial Numbers listed in the “Time of Compliance” section of the Requirement Document: Within 25 hours time in service after 1 June 1987.

 

All other helicopters: Within 100 hours time in service after 1 June 1987. For spares: Before installation on a Helicopter after 1 June 1987.

Background: The manufacturer has received reports of the output drive pinion shafts fracturing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.