COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Rolls Royce Turbine Engines - Viper Series
AD/VIPER/5 Exhaust Cone Assembly 3/90
Applicability: Viper Mk, 520, 521, 522 engines.
Requirement: 1. Action accordance with Rolls Royce Service Bulletin No. 72-A338, or
2. CAO 106 AD/RRT-V/16. Compliance: Effective 22 March 1990.
Background: This Directive has been reissued to maintain the requirements of AD/RRT-V/16. The requirement follows an incident where the exhaust inner cone was lost due to detachment of a cap nut and stay pin.