As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FMC/CDU FC 73-31372, NR 2 ENGINE, ECONOMIC, "UPPER EGT SECTORS READING HIGH". ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-11 TASK 801 FOR ENGINES RUNNING T49.5 READINGS WERE SOLID/STABLE AND WITHIN TOLERANCE. FAULT CODE DOES NOT EXIST AT FLIGHT LEG 0 REFERENCE AMM 73-21-00-700-804-F00. REPAIR CONFIRMATION GOOD.