Train encountered power fault at Rear M2while departing station. Reset at ORC1, NEW1 and NOV1 to no avail. Train performance - ok. ~~~~~ Train encountered power fault at Rear M2 FC-108/136/820/821 Shown. Check HB,L1,L2 and K connection ok.Replaced K contactor tip due to sign of arching and burn mark.Measure INV1 and INV2,BCH ok.Limited movement found T/M3 sparking.#2502 MSB handle put to cut out. Not: 2357569 Done by Saini/Haslan/Asruddin. 16/02/22