TC reported intermittent brake fault atFront M1and TIMs showed BCU and brake fault at Front M1. TC did brake statue checked and confirmed performance ok. ~~~~~ ER downloaded. Fault code 308, 330, 331 @ 1530. Able to duplicate fault. Brake was slow to release intermittently @ coast. Replaced new ACU and function test OK. Brake able to release @ coast. No visible leak observed. Monitored 1 hour. No fault recurrence.    N.AFAIRUZ/21.01.22 --------------