DT check found 3710 BCU unit unhealthy.T ~~~~~ DT check found 3710 BCU unit unhealthy.To rectify  3710 FC 345 BCU speed sensor fault DT axle 2 FC 308 BCU fault FC328 BCU brake frame fault DT bogie 1 During depot shunting, observed BCU speed sensor fault. Replaced 3710 axle 2 speed sensor. Conducted limited movement, no fault recur. Depot shunting observed no abnormalities. Done by: Kamal, Firas 12.1.24