COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 727 Series Aeroplanes AD/B727/76 Amdt 1 Forward Lower Body Skin - Inspection 5/77 Applicability: All models with line position Nos. 1 to 765. Document: 1. FAA AD 76-13-01, Amdt. 39-2666; or 2. Boeing SB No. 727-53-128, Rev. 4. Compliance: As detailed in the requirement document.