As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FUEL IMBALANCE DURING CRUISE FLIGHT EN ROUTE FROM DCA TO BNA. CREW DIVERTED TO TYS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TROUBLESHOT THE AIRCRAFT, REMOVED AND REPLACED THE RIGHT TRANSFER EJECTOR PUMP AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.