2558-CAR ENCOUNTER BRAKE FAULT DURING SH ~~~~~ 2558 - CAR ENCOUNTER BRAKE FAULT DURING SHUNTING.  2558 ER D/L & found brake FC 308. Replaced ACU. Leak/function test - OK.    Air comp. cut-in : 8.7 bar, cut-out : 10.4 bar, charge-up rate : 2 mins 11 sec, Air leak test : 0.4 bar/5 mins  Ridzuan/Kamarul/Ridzuwan 44303 #2558 ACU S/N : OLD : 1008/002 NEW : 1107/087