As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER SYSTEM 1-2 INOP EICAS WITH AP DISCONNECT PARTIAL REVERSIONARY LANDING. ENERGIZED THE AIRCRAFT WITH HYD POWER, SELECTED RUDDER 1 & 2 ON, CYCLED RUDDER 15 TIMES, RUDDER SYSTEM 1-2 INOP MESSAGE DID NOT DISPLAY. DEFERRED YAW DAMPENER. R&R BOTH RUDDER PRESSURE SWITCHES TO CLEAR DMI. OPS CHECK GOOD. BOTH RUDDER PRESSURE SWITCHES WERE REPLACED.