As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT CREW REPORTED NR 1 ENGINE EGT INDICATOR FLUCUATION. DIVERTED TO GSO FOR NORMAL LANDING. MAINTENANCE TROUBLE SHOOTING FOUND CANNON PLUG ON ENGINE EGT HARNESS LOOSE. TIGHTENED CANNON PLUG IAW STANDARD PRACTICES. INDICATOR OP'S CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.