COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Emergency Equipment AD/EMY/31 Aerazur Life Raft Type 606 9/96 Applicability: Aerazur type 606 life raft P/Nos A01 210155-(), B01 210155-(), B02 210155-(), C03 210155-(), and C04 210155-() with serial numbers 005 to 173 inclusive; installed in, but not restricted to, Falcon 900 Series aircraft. Requirement: Action in accordance with Aerazur SB No. 606-60-001. Note: DGAC AD 96-112(AB) refers. Compliance: At the next scheduled inspection, or before 15 August 1997, whichever occurs first. Background: The vacuum packing of the life raft may have led to the extrusion of the inflation/deflation valve "O" ring. This could cause the life raft to fail to inflate, or to deflate when required for use.