2509 and 1509 BCU Fault. FC 316 BCU Trai ~~~~~ 2509 and 1509 BCU Fault. FC 316 BCU Trailer Load Fault. Found FC316 (BCU trailer load fault), replaced DT car #3509 BCU. Further found #3509 ACU leaking at RF exhaust, replaced new ACU. Limited movement and brakes function tested satis. WDC setting done. To further monitor in mainline. ACU S/N: 1048-035 (N) 1020-001 (O) Notification to CSC: 2517392 BCU S/N: 1808028 (N) 1833209 (O) Notification to CSC: 2517394 Done by Saini, Haslan, Asruddin, Omar. 22/8/2023.