As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - ON CLIMB OUT THROUGH FL 180 Z11OZ RIGHT ENG EGT FLUCTUATED BETWEEN 140 - 830 ALL THE WAY TO CRUISE FL370 THEN STABILIZED. TS PER FIM 77-21FT-803 CLEANED ALL CONNECTORS AND THERMOCOUPLE PROBES, OPS CHECKED GOOD. EGT STABLE.