COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 737 Series Aeroplanes AD/B737/61 Amdt 1 Main Deck Cargo Compartment 8/93 Applicability: Model 737 equipped with a main deck class B cargo compartment with a volume exceeding 5.66 cubic metres (200 cubic feet). Requirement: Action in accordance with the technical requirements of FAA AD 93-07-15 Amdt 39- 6986. Compliance: As specified in the Requirement Document with a revised effective date of 22 July 1993 for Australian registered aircraft. Background: Following the loss of a Boeing model 747-200 "Combi" aircraft that developed a major fire in the main deck cargo compartment, the FAA carried out an evaluation of fire protection requirements of such aircraft. The conclusion indicated that the fire protection requirements for class B cargo compartments are inadequate. Amendment 1 has been raised to apply FAA AD 93-07-15 which supersedes AD 91-10-02.