TIMS showed intermittent APS fault at car 3608. Train performance - ok. ~~~~~ TIMS showed intermittent APS fault at car 3608. Train performance - ok.  3608 FC408/414. Check and found 3608 Aircon 1-1 shorted to gnd and cause APS fault. Isolated U/V/W and tagged. Notif to HM:2609711 Monitor no occurance of APS fault. Aircon able to cut in and cut out. Done by Sufhian/Morgan/Din 45463