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 369/101 Oil Cooler Blower Bracket 13/99
Model 369D, 369E, 369FF, 500N, and 600N helicopters with oil cooler blower bracket, P/No 369F5190-1, installed.
Replace oil cooler blower bracket, P/No. 369F5190-1, with a serviceable bracket, P/No. 369F5194-1.
FAA AD 99-20-12 also refers.
Within 100 hours time in service after the effective date of this airworthiness directive.
This Airworthiness Directive becomes effective on 30 December 1999.
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.