COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES AMD Falcon 10 Series Aeroplanes AD/AMD 10/2 Amdt 1 Applicability: All models. Oxygen Pressure Reducing Valve Installation - Modification 9/77 Document: AMD SB BA F10-0135 R2. (F10-35-001). Compliance: Forthwith. Aircraft complying with previous issues of this Directive are deemed to comply with this issue of the Directive.