COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 200 (Super King Air) Series Aeroplanes AD/BEECH 200/43 Amdt 5 Centre Section Upper Wing Skins 9/90 Applicability: All model 200 series aircraft listed in the Requirement Document. Requirement: Action in accordance with Beechcraft SB No 2040 Rev III. Compliance: Unless already accomplished, within 100 hours time in service after 20 April 1989, or at the next scheduled inspection for Maintenance Release issue after 20 April 1989 whichever is the later and thereafter at intervals as detailed in the Requirement Document. Background: The possibility exists of moisture contamination of the upper section honeycomb skin panels. Failure to detect the moisture contamination can result in debonding of the honeycomb panel with subsequent reduction in the structural integrity of the wing. Amendment 5 references latest revision of the Requirement document, this further defines effectivity and lists new kits.