As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FAULTS FOR THE NR 2 ENGINE, 77-20862, BOTTOM LEFT EGT SIGNAL OUT OF RANGE. ACFT GROUNDED. TSR 701692 ACCOMPLISHED EGT INDICATION SYSTEM TROUBLESHOOTING AND CONNECTOR CLEANING IAW AMM 77-21-00-140-801. RAN ENGINE FOR 5 MINUTES. ALL READING WERE WELL WITHIN RANGE. NO FAULTS INDICATED IN FMC. CONNECTOR CLEANED IAW AMM 77-21-00-140-801.