As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW EXPERIENCED AN UNCOMMANDED NR 2 ENGINE SHUTDOWN WHILE ATTEMPING TO BALANCE FUEL USING CROSSFEED OPERATION. RESTARTED ENGINE AND LANDED WITHOUT INCIDENT. REPLACED BOTH LEFT WING AFT AND FWD FUEL BOOST PUMPS AND PERFORMED FUEL FEED LINE COUPLING VACUUM TEST PER BOEING M/M.