TIMS showed intermittent APS fault at the front M2 car. TC feedback train performance - ok. ~~~~~ TIMS showed intermittent APS fault at th     #2656 Found a/c 2 causing APS fault.Further check found a/c 2 motor shorted to ground.Isolated U/V/W.Monitor for an hour ok.No reocurance of APS fault.Notification raise for CCU C/O. #2656-A/C 2 CCU:- Not: 24234110 Done by Haslan/Zulq.  09/11/22