As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE RIGHT ENGINE OIL TEMPERATURE INDICATION ENTERED THE CAUTION RANGE. CREW RETURNED TO JFK AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE OIL TEMPERATURE INDICATOR. ENGINE OPERATIONAL CHECK WAS PERFORMED. ALL PARAMETERS WERE NORMAL. AIRCRAFT RETURNED TO SERVICE.