1558 BCU fault ~~~~~ 1558 BCU fault     #1558-FC 308,312,330,331.Brake cyclic test found brake slow release.Check ACU found exhaust port tube not align to the brake frame cause heavy air leak.Tube found bend-replace tube.Brake cyclic test ,check ACU no sign of leakage.Depot shunting done ok. Done by Saini/Asruddin/Haslan. 13/07/21