COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES GAF N22 and N24 Series Aeroplanes AD/GAF-N22/39 Amdt 1 Horizontal Stabiliser Pivot Bracket Attachment - Inspection and Modification 9/80 Applicability: All models N22, N22B, N22S, N24 and N24A. Documents: GAF Telex Alert SB No. ANMD-55-13 dated 22 July 1980 and Revision to SB ANMD-55-13 dated 24 July 1980. Compliance: Unless already accomplished, within 120 hours time in service after 16 July 1980 or before 16 September, whichever occurs first. Background: This amendment 'A' references GAF SB No. ANMD-55-13 as the requirement document which extends scope of inspection and provides detailed inspection instructions.