DT found air leak test fail 1.2bar/5min, ~~~~~ EMU527/528 DT found air leak test fail 1.2bar/5min, to rectify  3528 A side WFL heavy air leak, Replace hose and elbow ok. DMV heavy air leak 3527 A3, B4, 1527 B4, Replace Manifold/DMV done. Conduct air leak test 0.5bar/5min Done by Haslan/Aswad/Martin 45245