Intermittent stuck brake at rear M1 car.Fault self cleared. ~~~~~ * ,N * ER downloaded, FC309 BCU brake demand PWM fault confirmed. Brakes checked ok, able to apply and release. Brake shoes and wheel condition checked ok. ACU function tested normal. Replaced BCU and tested ok. DONE BY:RAWI/REZWAN 07.10.2023 * ,N * ER downloaded, FC309 BCU brake demand PWM fault confirmed. Brakes checked ok, able to apply and release. Brake shoes and wheel condition checked ok. ACU function tested normal. Replaced BCU and tested ok. DONE BY:KUMAR/ DIRAH 08.10.2023