TC reported suspected wheel flat at front DT car. ERS-15 ~~~~~ 3690 TC reported suspected wheel flat. CE checked & 3690 found slight wheel flat at bogie #1.  3690 3690-Perform dump v/v test - OK. Checked wheel with RS3B & RS2A - OK. Found 3690 A2 & B2 PITTED ALL ROUND (10X10mm) Notif.2423127 sent to RSW for wheel reprofiling. Khairul 44836