As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - INFLIGHT DFW-FRA. CREW REPORTED RIGHT ENGINE EXHAUST GAS TEMPERATURE INDICATION ERRATIC. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT ENGINE UPPER AND LOWER EGT HARNESSES. SYSTEM GROUND CHECK NORMAL OPERATION.