TC reported TIMS shows intermittent APSfault at Rear DT car. TC feedback train performance - ok. TCtook a picture and send to TOCR and forwarded to Duty CC. ~~~~~ 3555 TC reported TIMS shows intermittent APS fault at Rear DT. TC feedback train performance - ok. TC took a picture and send to TOCR and forwarded to Duty CC. By IMCC : fault tends to appear when the train is reaching station HW. But it appeared in btw stations as well. Tried to aux on 2-3 sec but the fault will return.  3556 found FC 414 (Inverter Over-current & FC 628 (A/c 2 PR Failure).    Found #3556 AC 2-2  motor shorted to ground. Isolated AC 2-2 UVW and tagged. Notif 2576383 raised for CCU c/o.  Sarma/Alan/Lee PT/Shafie 45354