TIMS showed intermittent BCU fault at front M1 car whenever the train is moving since BDK WB. Fault self cleared once the train berthed at platform. Train perfo rmance ok. ~~~~~ 1529 BCU FAULT CHECKED FC 308,331,330.AS PER INSTRUCTED DUTY EMM TO REPLACED ACU UNIT.REPLACED ACU FUNCTION CHECKED BCU FAULT STILL OCCUR.TO RAISED OPS 20 TO FOLLOW UP.SHAFIAN/ACHMAD 28.03.2022 1529 ACU S/N NEW 1301/125              OLD 1037/055 NOTIFICATION 2368149  SWAP ACU FROM 1529 TO 2530 AND FAULT TRANSFERED.C/O NEW GCU AT 2530.FUNCTION TEST BCP AND BRAKE CYCLIC TEST OK.JIMMY/IBRAHIM 28.03.2022 ACU S/N OLD 1301/125         NEW 1024/028 NOTIFICATION 2368277  F2530 ACU FAULTY EM BRAKE BCP FAIL.C/O NEW ACU AND FUNCTION TEST OK.BCP/BRAKE CYXCLIC TEST OK.  IBRAHIM/RAGHU 01.04.2022 ACU OLD  1024/028     NEW 1032/043 NOTIFICATION 2369655