Reported 3520 intermittent BCU fault. ~~~~~ Reported 3520 intermittent BCU fault.     #3520 Found stuck brake FC: 308,330,331.Both bogie stuck brake at 2.55 bars during brake cyclic test after setting SIR.Fault was able to self clear when re-occupy cab & reset SIR. Change ACU and brake cyclic test.No leak and BCP within criteria,no re-occurance stuck brake. ACU-Old s/n: 1236-040  New s/n: 1037-017 Not: 2208218 Done by Lin Jun Hong/Saini/Asruddin/Haslan. 9/10/20