As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND ECONOMIC FAULT NR 1 ENGINE 73-31371 UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. FOUND FAULT ON LEG 6 ONLY. ACCOMPLISHED NR 1 ENGINE EGT INDICATING SYSTEM CLEANING IAW AMM 77-21-00-140-801. INTERROGATED NR 1 EEC, NO RECENT FAULTS LOGGED.