As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT LEFT EGT FLUCTUATED BETWEEN 300-600 MOST OF THE FLIGHT. PERFORMED FIM 77-21 FAULT TREE 806, FOUND THERMOCOUPLE CABLE CONNECTOR P3 LOOSE AND CAUSED EGT FLUCTUATION WHEN SHAKING ON THE GROUND. CLEANED AND REFORMED P3 CONNECTOR PER WPM 20-60-01