DT 3645 UNDERSHOOTRS LOGS SHOWDT 2645 BLENDING ISSUE WHEN TRAIN ENTER STATIONTIME:08:06:04HRS 08:08:44HRS 08:04:00 ~~~~~ DT 3645 UNDERSHOOT     #2645 Fault code 312,330,331,308,314.Found ACU hunting and leaking from solenoid exhaust port.Replaced new ACU.During brake cyclic test found BCP1 & BCP2 out of criteria-replaced pressure transmitter 3 & 4.Function brake cyclic test ok.ER downloaded at PTU006. ACU-Old s/n: 156-098  New s/n: 1541-189 Not: 2115809 raise to RSW. Done b y Yusof/Syafiq/Zul. 01/01/20