As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE FLYING BETWEEN EW921 AND SS246, SAW THE NR 1 ENGINE TEMPERATURE IN THE RED. REDUCED POWER TO OEI LEVELS AND LOOKED FOR SECONDARY INDICATIONS AND SAW NONE. CONSULTED CHECKLIST AND PERFORMED A SINGLE ENGINE SHUTDOWN. CONTACTED COM CENTER AND WAS ADVISED TO TAKE ACFT. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE NR 1 ENGINE OIL TEMP BYPASS VALVE.