TIMS show intermittent BCU fault at front DT car, bogey 1 and 2 during braking. ~~~~~ Check the above mention FC: 308, 312, 330 & 331. Replaced ACU due to BCU release fault. Security check air leak test and check brake static-ok. ACU-New s/n: 1311/059.  Old s/n: 1037/017. Not: 2257116. Checked by Saini/Asruddin/Haikel. 14/03/21.