COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 35 (Bonanza) Series Aeroplanes AD/BEECH 35/55 Ruddervator Control Push Rods 6/80 Applicability: All models 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35-TC, V35A, V35A-TC, V35B and V35B-TC with S/Nos. D-1 to D- 10187. Requirement: Action in accordance with Beechcraft SI No. 0989. Compliance: Within 100 hours time in service after 30 June 1980. Background: There is a possibility that the ruddervator control pushrods may be misaligned and/or affected by internal corrosion.