COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-22 (Tri-Pacer and Colt) Series Aeroplanes
AD/PA-22/34 Shimmy Damper 2/90
Applicability: Models PA 22-125/135/150/160 Tri-Pacer with serial numbers 22-1 through 22-7642 and model PA 22-108 Colt with serial numbers 22-8000 through 22-9848; and equipped with shimmy damper, Piper part number 13086-00, or 21701-02, or 21701- 04.
Requirement: Action in accordance with Piper Service Bulletin No. 924. Compliance: Prior to the issue of the next Maintenance Release after 30 April 1990.
Background: The shimmy damper currently installed in applicable aircraft may be defective and could jam during a maximum left turn, resulting in partial or total loss of rudder control. This AD requires replacement of the early model damper and a serviceability check of later model dampers.