TC reported "BCU ASP out of range M1 bogie 1".Train was sent back to BSD. ~~~~~ TC reported "BCU ASP out of range M1 bog
 
Checked and found #1719 FC 349: BCU Speed Sensor Fault M1 Axle 2, #3719 no brake related FC, #1720 FC 340: BCU ASP out of range M1 Bogie 1.
#1720 checked air spring height ok, checked leveling valve able to inflate and deflate.
#1719 (side finding) FC 349, replaced speed sensor axle 2, and conduct brake self test ok. Limited movement and depot shunting ok, no recurrance of fault.
Done by: Saini, Morgan (2/5/24)