2615 DT reported Brake not release fully ~~~~~ 2615 DT reported Brake not release fully        #2615 ACU leaking at exhaust port.Replaced ACU and function test brake status ok. ACU-New s/n: 1447-056  Old s/n: 1403-004 Not: 2129143 Raise. Done by Kamal/Deeshan/Haiqal. 08/02/20