2559 BCU Fault reoccured During DT ~~~~~ 2559 BCU Fault reoccured During DT     #2559 downloaded ER & fault trace data,analysis from ER brake unable to release from EM to B3.Confirm from Tims also. #2559 ACU swap to #1559 fault transfer-Replaced ACU and brake cycle test are ok. ACU-Old s/n: 1240-099  New s/n: 1008-003    Not: 2163522 raise. Done by Jack/Sateesh/Koh. 26/05/20