AD/HU 369/70 - Main Transmission Tail Rotor Output Drive Pinion Shaft
1AD/HU 369/70 - Main Transmission Tail Rotor Output Drive Pinion Shaft
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text 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.