COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Boeing 727 Series Aeroplanes
AD/B727/11 Wing Rib Doubler Replacement at Wing Buttock Line 3480
11/65
Applicability: All models. Document: Boeing SB No. 57-45.
Compliance: Before 20000 hours total time in service.