As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 956 - RIGHT EGT WENT TO ZERO ONE HOUR INTO FLIGHT CAME BACK ON ABOUT 6 HOURS INTO FLIGHT OPERATION INTERMITTENT FOR REMAINDER OF FLT. CHECKED WIRING FROM RT ENGINE 'J' BOX TO FIRE WALL CONNECTOR AND WIRING CHECKED GOOD. REPLACED RT ENGINE LOWER EGT HARNESS PER MM RAN RT ENGINE AND EGT WAS NORMAL OK FOR SERVICE. (M)