As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/MDT - FLT 6496 - DURING CRUISE AT 1420 HRS ON 2-14-95, RT ENGINE EGT GAUGE FAILED. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE FOUND THE BACKSHELL TO THE SOFT HARNESS, PN 8974696, CANNON PLUG LOOSE. TIGHTENED BACKSHELL AND OPS CHECK GOOD. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)