505/506 - Air leak fail.(1bar/5mins) ~~~~~ 505/506 - Air leak fail.(1bar/5mins)  3505 found MPV leaking due to damaged O-Ring - Replaced. Tested operation & for leak - OK. #3506 found A/S pipeline filter(horn) leaking. Replaced with new pipeline filter & checked for leak - OK. Air leak test = 0.55 bar/5 mins (Passed).  Sarma/Lee PT/Sugu/Shafie/Kamarul/Anand 45034