T402 3720-TIMS showed BCU fault at the 1 ~~~~~ T402 3720-TIMS showed BCU fault at the 1719 car. Fault self cleared. Fault recurred departing YWT SB. Fault self cleared. CE checked n monitor for BCU fault found no recurrence.Train performance ok. Depot 1719 BCU operational check.  1719 FC 308/331/313, Replace RIO valve at boie 2 and brake cyclic, self test ok. Depot shunting ok. No occurance of fault                                                            1719 RIO valve old:1743078-SPC, OLD: 1941115-SPC NOTIF CSC:2548969 Done by Saini/Haslan 45266