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 369/74 Particle Separator Filter Bypass Door Latch 3/88
Applicability: All model 369 series helicopters.
Requirement: Action in accordance with McDonnell Douglas SIN No. HN-213, DN-152, EN-41, FN-30, as applicable.
Compliance: Accomplish at the next annual inspection after 30 April 1988 or the next time the particle separator filter bypass door is removed; whichever occurs first.
Background: The manufacturer has received reports of the latches on the engine inlets filter bypass door fracturing and allowing the latch portion of the assembly to fall into the plenum chamber which in turn could result in damage to the engine.