COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 185 Series Aeroplanes AD/CESSNA 185/37 Aileron Hinge Pin 1/84 Applicability: Model Serial Number A185F 18503684 thru 18504334, 18504336, 18504337, 18504339 thru 18504395, 18504397, 18504398, 18504400. Requirement: Action in accordance with Cessna S.I.L. SE 83-18. Note: FAA AD 83-22-06 refers. Compliance: Unless already accomplished within 100 hours time in service after 31 January 1984 or at the next scheduled inspection for Maintenance Release issue after 31 January 1984 whichever is the later. Background: Possible migration and loss of the aileron hinge pin could result the retaining split pin holes are incorrectly located.