Real Time Feedback (RTF) : Pax feedbacksuspected wheel flat at car 2681 near 'A2' door. TC confirme d no suspected flat wheel. Staff(YIS) checked and confirmed suspected wheel flat at car 2681 near 'B1' door. ~~~~~ 1681 & 2681 Real Time Feedback (RTF) WF Noise By PAX. Pax feedback suspected wheel flat at 2681 near 'A2' door. TC confirmed no suspected flat wheel. Staff(YIS) checked and confirmed suspected wheel flat at 2681 near 'B1' door. CE: Found 2681 bogie 1 wheel flat.  681/682 checked/found wheel flat at these locations : #2681 - A1/B1/A3/A4/B3/B4 (50mm x 60mm, WWL = 15mm) #1681 - B3 (50mm x 60mm, WWl = 30mm). Dump v/v test - OK. D/L ER & no related brake FC found. No abnormalities found at BCP. Notif 2372580 raised for #2681 wheel profiling. Notif 2372568 raised for #1681 wheel profiling.  Azmi/Izzul/Isam 44662 Notif 2372568 Name                              : ELFYAN Date    Of    Occurrence          : 11/04/2022 Last    Service    Date           :      EMU/Equipment/Location            : 681/682 / Wheel / Bogie 2 Equipment Serial No. (if  any)    :   Description Of Fault/Cause        : 1681 Bogie 2 (B3 Wheel flat                                      50x60mm circumference) Measurements    ( if  any )       :   Required   Rectification          : Require Wheel Profiling Notif 2372580 Name                              : ELFYAN Date    Of    Occurrence          : 11/04/2022 Last    Service    Date           :   EMU/Equipment/Location            : 681/682 / Wheel / Bogie 1 & 2 Equipment Serial No. (if  any)    :   Description Of Fault/Cause        : 2681 Bogie 1&2 (A1,A2,B1,B2                                      Wheel flat 50x60mm                                               circumference) Measurements    ( if  any )       :   Required   Rectification          : Require Wheel Profiling