(RSD) 3568 & 1567 stuck break when shunt ~~~~~ (RSD) 3568 & 1567 stuck break when shunt     #3568 & #1567 ACU air leak from solenoid coarse exhaust when B1 to coast.Replaced both ACU and carried out brakes cyclic/function test ok. #3568-ACU-New s/n: 1934-081  Old s/n: 1107-036  Not: 2177604 #1567-ACU-New s/n: 1002-004  Old s/n: 1032-037  Not: 2177606 Done by Jack/Koh. 08/07/20