517/518 Air leak test fail 1.0bar/5min F ~~~~~ 517/518 Air leak test fail 1.0bar/5min F     Check and found #3517 coupler isolation c/v leak. Replaced coupler isolation v/v and function test ok. Cut in-8.5bar,cut out-10.5bar,CT-2min 45sec,Air leak-0.5/5min. Done by Rizman. 20/06/22