711/712 Train prep reported brake self t ~~~~~ 711/712 Train prep reported brake self test fail. Please check and rectify.  3712 FC 311, 3712 BCP 2 Low at B1, B2, B3. Replace RIO valve 3712 Bogie 2 and function test BCP1 and BCP2 ok. Conduct self test twice ok. RIO Valve 3712 #2 old:1722017/SPC New:1733056/SPC Notif csc:2498484 Done by Saini/Asruddin 45093