Snaprep: 3570 B2 door ticking sound ~~~~~ Snaprep: 3570 B2 door ticking sound Found Air leak from ACU exhaust (Tiny hole) Replaced ACU and brake static test ok. ACU- Old s/n: 1012-014 New s/n: 1241-044 Not: 2503598 raise. Done by Haslan/Asruddin. 06/07/23