As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL CONFIG LIGHT -OFF-, NO "FUEL CONFIG" EICAS MESSAGE WITH MAIN TANK UNBALANCE GREATER THAN 1500 LBS. LT-RT MAIN TANK WAS LOW. POSITION 2 (1=LT, 2=RT) ACCOMPLISHED. BITE CHECKED & RESET BEFORE REPLACING PROCESSOR. RT FUEL TANK SHOWING 2100 LBS LOW. LT-RT FUEL FLOW WITHIN 100 LBS AT CRUISE. NORMAL FUEL BURN & TOTAL. ACP SERVICE TIP REF MM, CHECKS GOOD. REPLACED FQIS PROCESSOR UNIT.