Train encountered power fault at Rear M2car while entering station. Reset-ok.departing BBT SB, CCK SB. Unable to reset. Train encountere d power fault at Rear M2 car while entering station. Reset-o ~~~~~ Train encountered power fault at Rear M2     Check FC-136-Propulsion earth fault.Further check Inv1 & 2,Bch ,CCD shoe/fuse,Line breaker HB contactor wire security check ok and cont condition ok.Limited movement observed T/M -4 was flash over.Not: 2482552 raise to HM for T/M-4 C/O. Checked by Koh. 24/04/23