As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, MEM LOW FUEL PRESSURE LIGHT ILLUMINATED FOLLOWED BY NR 2 ENGINE ROLL BACK. DECLARED AN EMERGENCY. ON COMPLETING THE PROPER CHECKLIST AND "O" PROCEDURE, DISCOVERED CROSSFEED VALVE INADVERTENTLY MOVED TO THE CLOSED POSITION. OPENED CROSSFEED VALVE AND RESTARTED NR 2 ENGINE. EMERGENCY WAS CANCELED AND CONTINUED THE FLIGHT WITHOUT FURTHER PROBLEM.