COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Boeing 727 Series Aeroplanes
AD/B727/50 Side Engine Gearbox Breather Duct - Modification 6/67
Applicability: All models. Document: Boeing SB No. 71-34. Compliance: Forthwith.