COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerospatiale (Socata) TB9 and TB10 (Tobago) Series Aeroplanes AD/TB10/11 Amdt 1 Fuselage Frame 9 6/88 Applicability: TB9 and TB10 series aeroplanes with S/N 1 to 795 without modification No 70 embodied. Requirement: Action in accordance with Aerospatiale (Socata) Service Bulletin No 35/1. Compliance: (a) For aircraft with 1500 hours or more total time in service - inspect before further flight after 9 October 1987. (b) For aircraft with less than 1475 hours total time in service - inspect within 25 hours time in service after 9 October 1987. (c) Thereafter, reinspect at each issue of a new Maintenance Release. Note: Embodiment of Aerospatiale (Socata) modification No 70 constitutes terminating action for this Directive. Background: Notification has been received from the manufacturer of in service cracking on overseas aircraft. This Directive has been amended to reflect the terminating action specified in the Requirement document.