Dt check found #3515 slow release and co ~~~~~ Dt check found #3515 slow release and co     #3515 When B1 to coast BCP remain at 0.16 bar.Slight air leaking from ACU exhaust port. #3515-ACU- Old s/n: 1048-035  New s/n: 1302-050 Not: 2124986 raise to RSW. Done by Koh B.S. 28/01/20