As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FUEL IMBALANCE IN FLIGHT, LEFT WING LOW, EN ROUTE FROM DCA TO BNA. CROSSFLOW WAS WORKING, BUT COULD NOT KEEP UP WITH BALANCING FUEL AT HIGH POWER SETTINGS. CREW DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT FUEL TRANSFER SYSTEM, REMOVED AND REPLACED LEFT CENTER TANK TRANSFER EJECTOR PUMP AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.