During DT check 1605 BC1 0.19, BC2 0.22 ~~~~~ During DT check 1605 BC1 0.19, BC2 0.22     Check and found ACU ac solenoid exhaust port heavy air leak when at coast position.BCP1 & BCP2 remain 0.19bar.Replaced ACU abd function test ok.BCP within criteria. ACU- New s/n: 1549-214 Old s/n: 1516-102 Not: 2314615 raise. Done by Sanip/Koh. 16/09/21