As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE CAUTION MESSAGE IN CRUISE FLIGHT. MAXIMUM IMBALANCE REACHED 1000 LBS HEAVIER IN LT FUEL TANK. AUTO CROSS-FLOW UNABLE TO CORRECT FUEL IMBALANCE INITIALLY. TOOK 60 MINUTES TO CORRECT FUEL IMBALANCE. OPERATIONS CHECKED FUEL SYS IAW AMM 28-13-16 AND 28-13-43. OPERATIONS CHECKS NORMAL AT THIS TIME. FUEL AT 40 LBS DIFFERENCE.