Subject: Comment sem4160 SNF 2012-11-06 14:55:39: slight n2 or air hissing sound from inside panels
From: jwc@snf.stanford.edu

Ted 
User reported a slight sublime hissing sound coming from somewhere inside the lower
chassis of the sem4160.  Might be a loose ferrule or hose in the pneumatics.  If you
could please check it out for us.
James