DT check found 3712 self test fail. BCU service fault bogie 1 (code:310) ~~~~~ DT check found 3712 self test fail. BCU  FC310 BCU service fault bogie 1. Bogie 1 brake pressure stuck at 0.3 bar at B1 to B3. Replaced gateway valve. Security check done for connectors ok. Fault cleared. Self test pass. Brake pressure checked ok. Depot shunting ok, no abnormalities for brakes. Gateway valve    SN OLD: 1722011SPC SN NEW: 1651002SPC Notif: 2606913 Done by: Saini/Din 10.6.24