Upon completing the leak testing of the Y-end yesterday, Gerardo and I realized that we had failed to test the 4.5" blank which had replaced the 1st generation ESD gauge on BSC9 at the X-end.  So... 

~1345 - 1415 hrs. local 

Replaced X-end turbo scroll baking pump with LD and sprayed 20 seconds of audible helium flow at untested CFF -> OK -> Restored pump configuration to as found -> Shut down LD