COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airbus Industrie A319, A320 and A321 Series Aeroplanes AD/A320/15 Low Pressure Fire Fuel Shut-Off Valve 2/91 Applicability: A320, all models. Requirement: Inspect and/or modify subject aeroplanes IAW French AD 90-190-015(B). Note: French AD 90-190-015(B) refers to Airbus Industrie SB A320-28-1028 rev.1. Compliance: As per Requirement Document. Background: To avoid an incorrect closure of the low pressure shut-off valves in the low pressure fuel shut-off valve actuator.