2517 ACU Leak. ~~~~~ 2517 ACU Leak.  2517 ACU replaced. Brake pressure checked within criteria & no brake fault recurrance found during shunting. 2517 ACU S/N : OLD : 1037/047 NEW : 1310/143          OLD                    NEW RF :  1732/309               1918/378 RC :  1732/287               1902/693 AF :  2011/819               2018/575 EM :  1850/471               1850/475 AC :  2011/830               2018/575  Ridzuwan/Tarmidzi 43994