COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Emergency Equipment AD/EMY/23 Aerazur Life Rafts 12/90 Applicability: Aerazur life rafts with part numbers listed in Aerazur SB BS 332.60.002 and up to S/N 175 inclusive. Requirement: Action in accordance with Aerazur SB BS 332.60.002. Note: DGAC AD 90-128 AB refers. Compliance: Unless already accomplished, at the next scheduled inspection for issue of Maintenance Release after 29 November 1990. Background: Country of origin AD. Raft package vent pipes have been found bent and closed off. Failure of package venting may cause deployment of raft during flight at altitude.