509/510 air leak fail when doors open 2 ~~~~~ 509/510 air leak fail when doors open @ 2 bar/5 min.  509/510 found the following door manifolds air leaking : #3509 - A1/A3/A4/B3 #1509 - A1/A3/B1 #2510 - B1 Replacements done except for #1509 B1. OPS 20 raised to follow-up.  Alan/Lee PT/Shafie 44302 To continue rectification.  1509 B1 door manifold replaced. Leak & function test door operation on #3509/#1509/#2510. No air leakage found at the door manifolds. Door open/close cyclic test & found no abnormal sign of drastic air leak. Pneumatic Test Results :  #3509              #3510 Cut-in   :                8.4 bar            8.5 bar Cut-out  :                10.3 bar           10.3 bar Charging Rate :           1 min 55 sec       1 min 50 sec Air Leak      :           0.4 bar/ 5 min     0.4 bar/5 min  Ridzuan/Afiq/Suhairi/Syukur 44303