1672 reprted having stuck brake during s ~~~~~ #1672 Found heavy air leak from solenoid coarse exhaust.Replaced ACU and carried out brake cyclic/function test ok. ACU-New s/n: 1450-058  Old s/n: 1528-135 Not: 2135385 raise to RSW. Done by Kumar/Jack/Sateesh. 27/02/20