COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 125 Series Aeroplanes AD/HS 125/53 Amdt 2 Flap Nose Ribs - Inspection 6/84 Applicability: All models not incorporating mod 252772 (revised flap hinge arrangement), up to and including: 700A: aircraft NA0311 plus NA0313, NA0323, NA0325, NA0326, NA0339. 700B: aircraft 7163. Document: British Aerospace 125 Series SB 57-58 Revision 4 dated 10 March 1984. Compliance: As detailed in the requirement document. Background: This Directive has been amended to require compliance with the latest revision of the requirement document. It adds five aircraft previously omitted from the effectivity list.