As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE FROM LRD DURING CRUISE CREW NOTED NR 3 ENGINE EGT ROSE ABNORMALLY. CREW SHUTDOWN NR 3 ENG PER COMPANY POLICY. AIRCRAFT RETURNED TO LRD FOR AN UNEVENTFUL LANDING. UPON INSPECTION MAINTENANCE DISCOVERED DIRTY CONNECTIONS IN THE EGT HARNESS. MAINTENANCE CLEANED CONNECTIONS AND RAN ENGINE PER APPLICABLE AIRPLANE MANUALS. AFTER A GOOD OPERATIONAL CHECK THE AIRCRAFT WAS RETURNED TO SERVICE.