As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER TASKCARD 78273000 FOUND NR 2 ENGINE RECENT FAULT (ECONOMIC) MSG 77-20862 THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE. GROUNDED - YES. REMOVED & REPLACED NR 2 ENGINE LOWER LEFT EGT PROBE REF AMM 77-21-01. ACCOMPLISHED ENGINE RUN-UPS BOTH ENGINES REF AMM 71-00-00, OPS CK NORMAL.