AD/A320/37 - Thrust Reverser Check Valve Replacement

Airworthiness Directive - AD/A320/37 - Thrust Reverser Check Valve Replacement Airworthiness Directive - AD/A320/37 - Thrust Reverser Check Valve Replacement CASA Airworthiness Directive Jurisdiction:Commonwealth of Australia;CorporateName:Civil Aviation Safety Authority; Issue 7/1994,Aircraft above 5700 kg,Airbus Industrie A319, A320 and A321 Series Aeroplanes,Thrust Reverser Check Valve Replacement,37 DellaCa, Donna 2 1 2022-10-27T00:43:00Z 2022-10-27T00:44:00Z 1 123 706 Office of Parliamentary Counsel 5 1 828 16.0000 2006-09-22T00:00:00Z Toolkit http://www.activepdf.com 2022-10-27T00:00:00Z 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/A320/37   Thrust Reverser Check Valve Replacement   7/94 Applicability:   All A320 aircraft not incorporating Airbus Industrie modification 22537 or SB A320- 29-1048 R1. Requirement:   Action in accordance with Airbus Industrie Service Bulletin A320-29-1048 R1. Note: DGAC AD 94-059-054(B) dated 16 March 1994 refers. Compliance:   No later than 31 December 1994. Background:     Airbus Industrie advise that this action is required to prevent pressurisation of the Hydraulic Control Unit return line in the event of failure in the closed position of the check valve in the thrust reverser hydraulic return line.