COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Mitsubishi MU-2 Series Aeroplanes AD/MU-2/35 Horizontal Stabiliser Leading Edge Skin - Inspection and Modification 5/85 Applicability: All models referenced in Mitsubishi Heavy Industries Service Recommendation No 062A. Requirement: Mitsubishi Heavy Industries Service Recommendation No. 062A. Compliance: Prior to issue of the next Maintenance Release after 31 May 1985 and thereafter at each issue of a new Maintenance Release until modified. Background: This Directive is issued to ensure cracked horizontal stabiliser leading edge skins are replaced and reinforced in accordance with the manufacturers repair scheme.