TC reported stuck brake at rear DT car when entering SBW1 in ATMP(scheduled ATPM driving). Fault sel f-cleared. TC continued ATPM to HW. ~~~~~ 3660 ACU replaced & function check - OK. No residual pressure at COAST, brake pressure within criteria. Limited movement/depot shunting - OK. No occurrence of fault. 3660 ACU S/N : OLD : 1517/052                    NEW : 1540/078 RF  : 1740/806                    RF  : 1749/228 mod 3 RC  : 1740/763                    RC  : 1749/227 mod 3 AF  : 1740/275                    AF  : 1851/496 mod 4 EM  : 1740/985                    EM  : 1751/435 mod 3 AC  : 1740/270                    AC  : 1647/858 mod 4 (Mod 3)  Sarma/Syukur. 26/02/2020.