#3509 Found BCU release fault and bcp st ~~~~~ #3509 Found BCU release fault and bcp st   #3509 checked on TIMS found FC-331, 330, 312 (Release Fault). Unable to duplicate fault during depot shunting, and no brake fault occurred duringg brake cyclic test. Preventively replaced ACU due to brake release fault. SN OLD: 1048-035 SN NEW: 1024-005 Notification to CSC: 2576901 Done by: Din, Morgan, Kumar (5/3/24)