3544 Intermittent BCU fault (FC 308, 330 ~~~~~ 3544 Intermittent BCU fault (FC 308, 330, 331).  3544 swopped ACU to #3543 & fault transferred. Replaced ACU at #3543 & function test - OK. Brake cyclic test, limited movement & depot shunting - OK. No fault occur & no leak found ACU. #3543 ACU S/N : OLD : 1236/040 NEW : 1016/001  Sarma/Wong 44226