COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 727 Series Aeroplanes AD/B727/134 Auxiliary Fuel Tanks 9/91 Applicability: All model 727 aircraft as listed in Boeing SB 727-28-0110. Requirement: 1. Inspect aircraft in accordance with Boeing SB 727-28-0110 or CAA approved inspection procedure until modified in accordance with Requirement 2. 2. Modify aircraft in accordance with Boeing SB 727-28A0067 Revision 1. Note: FAA AD 91-09-06 Amdt 39-6977 refers to Boeing SB 727-28A0067 Revision 1. Compliance: 1. As specified in the Requirement Document. 2. Prior to issue of a Certificate of Airworthiness. Background: An uncontrolled fuel leak into the baggage compartment due to damage of an auxiliary fuel tank cell, has occurred.