Document ID: chunk:federal_register_of_legislation:F2006B07585:body:0
Version: federal_register_of_legislation:F2006B07585
Segment Type: other
Provision Reference: 
Character Range: 0–599

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/3 Blow Off Valve Operation Limit 3/90

 Applicability: Viper Mk. 521, 522 engines.

 Requirement: 1. Action in accordance with Rolls Royce Service Bulletin No. 75-A32, or

 2. CAO 106 AD/RRT-V/13. Compliance: Effective 22 March 1990.
            Background:  This Directive has been reissued to require a revised blow-off valve operating point to reduce the possibility of engine surge or stall.