As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND ECONOMIC FAULT ON THE NR 1 ENGINE. MAINTENANCE MESSAGE 77-20871. THE TOP LEFT EGT SIGNAL T495S4 IS OUT OF RANGE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE UPPER 11 FUEL NOZZLES IAW T/C PWRPL-73CMPT-07267-2. OPS & LEAK CHECKED GOOD, NO FAULTS NOTED.