3566- Bogie 2 underframe noise to check. ~~~~~ 3566 Bogie 2 underframe noise to check.  3566 found A4 & B4 having wheel flat (>50mm) all round. Notif 2150535 raised to follow-up.  Chan SW/Hanafi/Azmi 43935 Notif 2150535 Name                          : CHAN.S.W. Date of Occurrence            : 14/04/2020 Last Service Date             :   EMU / Equipment / Location    : 3566 / Axle A4 & B4 Equipment Serial No. (if any) :   Description of fault / cause  : Axle A4 & B4 W/F spot above 50mm                                 all round Measurements (if any)         : N.A