#3705 Selftest fail to rectify. ~~~~~ #3705 Selftest fail to rectify.   #3705 checked from TIMS FC 310 (BCU Service Brake Available Fault DT Bogie 1). Replaced gateway valve and conducted brake function test and brake self test ok, passed. SN Old: 1722020-8PC SN New: 1935058-8PC Notification to CSC: 2577055 Done by: Din, Morgan, Kumar (5/3/24)