Train encountered brake fault in car 2613. Fault self cleared. ~~~~~ Train encountered brake fault in car 261     Downloaded from ER on PTU006 found #1613 encountered stuck brake.Found ACU heavy air leaking from solenoid coarse exhaust v/v.Replaced and carried out brakes cyclic and function tested ok. #1613-ACU- Old s/n: 1439-032  New s/n: 1503-072 Not: 2120954 raise to RSW. Done by Jack/Koh. 15/01/20