After a few days of consult with SYS and ISC, today I added some side supports to the OMC PD housings that Koji and I found to be problematic last Thur (alog 28714).  Attached are pictures of 1 of the 2 PD mounts with the 2 new 10mm glass prisms and the 1 new D1600316 metal prism.  I tried to use a minimal amount of glue on the bottom of the glass prisms in order to have a nice rounded (low stress) bond there, and then use a bit more glue on the upright side wall which is more of a porous surface.  Although after a few minutes I stopped having sliding issues with the glue bonded prisms, I left them with a guge block applying a little bit of pressure at the front edge in case they slide away during the night of curing.  The lab temperature has been set to ~83deg F in order to assist the cure.