IMDC:3521 Train encountered APS fault at ~~~~~ IMDC:3521 Train encountered APS fault at     Check and found left side battery bank was explored,further check battery charger and Aps system no abnormalities found. 0020 raise to follow up #1521 battery bank c/o. Checked by Sanip/Koh. 19/10/22 #1521 to follow up Battery c/o. Check and found #1521 battery bank damaged.Replace battery bank ok.Voltage check ok,security check ok.BCVC test,A101 to A102 resistance>1K ohm & power APS test ok. #1521 battery bank:- Old s/n: 2013-010 New s/n: 2013-113 Not: 2428503 raise. Done by Haslan/Ashwin. 20/10/22