COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/5 Cargo Compartment Fire Protection 9/85 Applicability: All models. Requirement: Modify and test the environmental control system according to the requirements detailed in Boeing SB 767-21-0041 latest revision. Note: FAA AD 85-13-02 Amdt 39-5085 refers. Compliance: Before 31 December 1985. Background: The rework is necessary to assure the effectiveness of the cargo compartment fire protection system.