TC reported brake fault departing. Traincome to a stop then fault self clear. ~~~~~ TC reported brake fault departing. Train  Download ER data Fault code 308,312,314,330,331 Found 3643 AcU leakinfg  during brakee status check[intermitten] OPo20 raised to follow up N.ASankar /05.06.20 ------------------- 3643 ACU intermittent leaking. To rectify.  3643 ACU replaced Funtion test found SV4 air leak due to body crack Removed new one and put back old one Waiting spare OPO30 raised to replaced NEW spare S/N:1516044 N.A Kumar//05.06.20 ------------------- To replace #3643 ACU and function test.   3643 ACU replaced and function check[ok] Brake function test [ok] Depot shunting [ok] S/N OLD:1509-037 NEW:1516-046 N.A Kumar/06.06.20 -------------------