1678 DT reported at coast position,brake ~~~~~ 1678 DT reported at coast position,brake     #1678 Check and found ACU solenoid exhaust port leak when in coast position.Replaced ACU and function check ok. ACU-Old s/n: 1539-176  New s/n: 1447-050 Not: 2143897 raise to RSW. Done by Sateesh/Koh. 24/03/20