COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Gates Learjet 35 and 36 Series Aeroplanes AD/LEARJET 35/29 Retirement Life - Fatigue Critical Components Applicability: All Learjet 35 & 36 series aeroplanes. 7/95 Requirement: Retire from service, at or before the times specified therein, all components listed in the Learjet 35 & 36 series Maintenance Manual, Revision 61, Chapter 5, Section 5-11-00. Compliance: This Directive is effective 22 June 1995. Background: This Directive reflects the manufacturer's mandatory retirement life schedule for fatigue critical components.