As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/EWR - FLT 6150 - DURING CLIMB-OUT AT 0710 HRS ON 10-07-95, RETURNED TO IAD DUE TO THE NR 1 RMU HAS DASHES IN THE DISPLAY AND NO FREQUENCY. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE RE-RACKED THE NR 1 COMM UNIT, OPS CHECK GOOD. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)