AD/A320/10 - Standby Pitot Line
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/A320/10 Standby Pitot Line 7/90 Applicability: Model A320- 111. Requirement: Action in accordance with SB A320-34-1006 R.1. Compliance: Prior to 31 December 1990. Background: The pitot piping is altered to avoid any low points.
Official source: https://www.legislation.gov.au/Details/F2006B01849