COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Rolls Royce Turbine Engines - Dart Series
AD/DART/26 Low Torque Switch 6/97
Applicability: All Rolls Royce Dart series engines.
Requirement: To ensure unapproved low torque switches are removed from service, inspect installed and spare low torque switches in accordance with Rolls Royce Service Bulletin Da61-13.
Note: CAA (UK) AD 002-12-96 also refers.
Compliance: Unless previously accomplished, no later than 30/6/97.
This Airworthiness Directive becomes effective on 22 May 1997.
Background: The manufacturer has advised that unapproved low torque switches have been found in service. These switches may give rise to difficulties during activation of the autofeathering system.