As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6319 - IAD-CLE - LANDED AIRCRAFT AS SCHEDULED AT CLE DUE TO NR 1 DIRECTION GYRO INTERMITTENTLY FAILED IN FLIGHT. AIRCRAFT WENT TO GATE, NO FURTHER INCIDENTS. AIRCRAFT WAS FERRIED TO IAD. MAINTENANCE REMOVED AND REPLACED DIRECTIONAL GYRO, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)