Extravehicular Mobility Unit (EMU) Troubleshooting: Flight Engineer (FE)-3 Hopkins and FE-6 Nyberg removed and replaced the EMU 3011 Fan Pump Separator (FPS) Assembly. The R&R is part of an ongoing troubleshooting effort stemming from an issue experienced with the suit during USOS EVA #23, when water leaked into Parmitano’s helmet. The new pump which was …