As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6559 - IAD- ORF - DURING APPROACH, MADE AN UNSCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS GRINDING NOISE FROM RUDDER CONTROLS. AIRCRAFT LANDED AT ORF WITH NO FURTHER INCIDENTS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RUDDER SERVO, OP CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR SERVICE. (M)