As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT THE FLIGHT CREW GOT AN A/P FAIL/RUDDER SYS 1-2 INOP AND YAW DAMP FAIL EICAS MESSAGE. FLIGHT CREW MADE AN EMERGENCY LANDING. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RUDDER SYSTEM 2 PRESSURE SWITCH. SYSTEMS OPS CHECKED GOOD.