3627 Intermittent brake fault (Train pre ~~~~~ 3627 Intermittent brake fault (Train pre     When shunting into maintenance pit,#3627 encountered stuck brake(2.58bars)Found ACU heavy air leaking from solenoid course exhaust when B1 to coast.ACU mod 3 s/v.Replaced faulty ACU and carried out brakes cyclic/function test ok. ACU-Old s/n: 1403-002  New s/n: 1547-085 Not: 2165686 raise to RSW. Done by Kumar/Jack/Sateesh/Koh. 02/06/20