As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE OF 2800 LBS INFLIGHT. R WING LOW . AFTER BRIEFING WITH THE FLIGHT CREW WE WERE ABLE TO DETERMINE THAT THE FUEL XFEED SYSTEM WORKS AS EXPECTED AND THE INBALANCE WAS PLACED UNDER CONTROL BY NORMAL MANAGEMENT OF THE XFEED SYSTEM VALVES. OPERATIONAL TEST OF THE ENGINE FUEL CROSSFEED VALVE CARRIED OUT PER AMM TASK 28-22-00-715-128. TEST OK.