As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECONOMIC FAULT MSG NR: 77-10852 THE BOTTOM RIGHT EGT SIGNAL (T495S2) IS OUT OF RANGE. FLIGHT LEG 3. ACFT GROUNDED. ACCOMPLISHED FIM 77-21 TASK 802. FAULT IS NO LONGER ACTIVE. T49.5, S1-S4 TEMPS ARE LESS THAN ONE DEGREE DIFF. WELL WITHIN THE 25 DEG LIMITS.