2509 DT check found BCU fault.(BCU suspe ~~~~~ 2509 DT check found BCU fault.(BCU suspe     #2509 found ACU air leak from solenoid coarse exhaust. Replaced ACU and conducted brake cycle test ok. ACU-Old s/n: 1034-045   New s/n: 1047-082 Not: 2185282 raise to RSW. Done by Rizman/Henry/Sufhian. 01/08/20