As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERSION - AFTER 1 + 30 OF FLIGHT TIME HAD 900LB IMBALANCE BETWEEN BOTH MAINS WITH 5000LBS REMAINING IN CENTER TANK - ALL PUMPS WERE "ON" FUEL FLOW BURNED FROM RT MAIN WITH CENTER PUMPS "ON". REMOVED AND REPLACED FUEL CROSSFEED VALVE ACTUATOR AND ACTUATOR GATE PER MM.