TC reported since KJR2, whenever train braking, BCU wheel slip slide timer 2 timeout at RDT car appe ar. Fault self cleared when train come to fully stop. ~~~~~ TC reported since KJR2, whenever train b     #3670-FC-327 BCU speed probe 4 multiple times.Check WDC setting ok.BCU Tims ok(use wheel gauge to check) Dump v/v check ok.Check tacho 1,2,3-ok.Check tacho 4 only 9ohm Check tacho gen 4 cable containuity ok.Replace tacho 4 check impedance ok and limited movement ok. Tacho gen 4-Old s/n: 1512530   New s/n: 87051 Not: 2292406 raise to RSW. Done by Saini/Haslan/Asruddin. 05/07/21