TIMS showed intermittent brake fault atrear DT car. TC feedback when brake fault appear, train slow ed down slightly. ~~~~~ TIMS showed intermittent brake fault at rear DT(3516) car. TC feedback when brake fault appear, train slowed down slightly. CE: 515/516 check for brake intermittent fault found ok( no abnormality). Train performance ok.  Check the above mentioned fuond ACU faulty due to brake slow release on B1 to coast and B3 to coast, replaced ACU and tested several times - okay. Brake static test - okay. ACU: Old: 1034012 New: 1024007 Notif: 2603075 Done by: Asruddin and Saini. 29/05/2024.