DT,#523/524,AIR LEAK TEST FAILED,1.5 BAR ~~~~~ DT,#523/524,AIR LEAK TEST FAILRD,1.5 BAR     #3523 check and found ACU exhaust port leak and #3523 AS test point leak.Replaced ACU and test point.EMU 523 air leak test 0.3bar. #3524 Check and found ACU exhaust port leak and #2524 and #1524-AS,MRS ,BSR test point leak-replaced ACU and test point.Air leak test at 503/504-0.3bar. #3523 ACU-S/No. New-1250-051 Old-1022-002 Not: 2412752 #3524 ACU-S/No. New-1037-018 Old-1934-083 Not: 2412391 Done by Jack/Sateesh/Koh. 29/08/22