As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AT 23,000 FEET, THE LEFT ENGINE FUEL HEAT VALVE FAILED TO CLOSE. OIL TEMPERATURE CLIMBED TO THE CAUTION RANGE. CREW PERFORMED A PRECAUTIONARY SHUTDOWN OF THE LEFT ENGINE. AIRCRAFT DIVERTED TO CMH AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE FUEL HEAT VALVE. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.