COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Robin Aviation Series Aeroplanes AD/ROBIN/20 Main Gear Torque Link Attachment 13/94 Applicability: Model HR100/250TR and HR100/285TR. Requirement: Action in accordance with Avions Pierre Robin Service Bulletin 134. Note: DGAC AD 94-129(A) refers. Compliance: Unless already accomplished, within 25 hours time in service after 8 December 1994, and thereafter at intervals as specified in the Requirement Document. Background: The DGAC requires an inspection in response to field reports of cracks on the strut torque link welded attachment points.