3539 during DT check air leak test 0.7 b ~~~~~ 3539 during DT check air leak test 0.7 bar/5 min.  3539 found dominick hunter leaking. Replaced dominick hunter & serviced micro mesh filter. Function test & air leak test (0.5 bar/5 min).  Koon PL/Salleh/Farid/Haiqal 44173