Real Time Feedback reported suspected wheel flat at front DT car. Staff (YIS) checked no abnormaliti es. ~~~~~ 3546 Real Time Feedback wheel flat. Staff (YIS) checked no abnormalities. CE checked & found 3546 #2 Bogie Wheel Flat noise.  3546  WF A4(30X50mm)  B4(30X30mm) Dump v/v tes-OK. Raised notif. 2331693  for wh.reprofiling. Suhairi 44514