TC reported wheel flat on front DT car.TC reported wheel flat on front DT car. ~~~~~ 3608 TC reported wheel flat.  3608 checked/found no wheel flat. Found minor thermal crack all round on #3608 A2/B2/A4 wheels. Found groove thread(1mm depth x 5mm width) on #3608 B3/B4/A3/A4 wheels. Notif 2460473 raised for wheel profiling.  Aiman/Redzwan 44967 Notif 2460473  ME                          :Redzwan Sukis DATE OF OCCURRENCE            :10.02.2023 LAST SERVICE DATE             :  EMU / EQUIPMENT / LOCATION    :3608 / WHEEL / BOGIE 1 & 2 EQUIPMENT SERIAL NO. (if any) :  DESCRIPTION OF FAULT / CAUSE  :MINOR THERMAL CRACK A2,B2,A4                                GROOVE THREAD A3,A4,B3,B4 MEASUREMENT (if any)          :GROOVE THREAD 1mm x 5 mm( width) REQUIRED RECTIFICATION        :WHEEL PROFILING