Train encountered power fault at RM2 carwhile arriving station. Unable to reset. TC reset at MSP2 a nd MSP1 to no avail. Train performance - ok. Train encounter ed power fault at RM2 car while arriving station. Unable to ~~~~~ T261 3723 (N) Train encountered power fault at RM2(2724) car while arriving station. Unable to reset. TC reset at MSP2 and MSP1 to no avail. Train performance - ok. MRB NB  FC-110/116 - propulsion HB breaker open / over current. Depot shunting no observed any propulsion fault and fault can't duplicate. Check INV1, INV2, BCH, CCD fuse/shoe and line breaker contact ok. and wiring all security check ok. Swop HB to #1724 and limited movement check powering ok. To be further monitoring in ML. #3723 TIMs show FC-344 BCU speed sensor #1 fault intermittent, c/o as preventive measure. Done by: Sanip & Jack. 19/07/2024.