As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1815 FROM KEWR TO KTOL. AT FL310 NR 2 ENGINE DISPLAYED EXCESSIVELY HIGH OIL TEMPERATURE, DESCENDED TO FL240 AND RAN ALL APPLICABLE CCIA CHECKLIST. IN-FLIGHT SHUT DOWN OF THE NR 2 ENGINE AS A PRECAUTIONARY, ADVISED ATC AND DECLARED EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT AT FINAL DESTINATION IN TOL. AIRCRAFT WAS INSPECTED AND THE NR 2 ENGINE OIL TEMPERATURE INDICATOR WAS REPLACED. RAN NR 2 ENGINE AND THE OIL TEMPERATURE INDICATION SYSTEM CHECK NORMAL IAW MM 79-34-11 AND AIRCRAFT RETURNED TO SERVICE.