COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SD3-30 Series Aeroplanes AD/SD3-30/7 Aft Baggage Compartment - Modification 3/82 Applicability: All model SD3-30 with S/Nos. SH-3002 to SH-3071, SH-3073, SH-3075, SH-3077 and SH-3078. Requirement: Shorts SB SD3-25-30. Compliance: Unless already accomplished, modify prior to 30 June 1982. Background: An opening in the furnishings of the aft baggage compartment can result in an inadequate concentration of the fire extinguishant.