As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL370, RUDDER SYS 1-2 INOPERATIVE ON EICAS AS WELL AS HYD QTY 1 LOW AUTO PILOT DISENGAGE AND WEREN`T ABLE TO RE-ENGAGE. HYD QTY 1 BECAME NORMAL WHEN GEAR EXTENDED. AFTER LANDING ONLY RUDDER SYS 2 INOPERATIVE INDICATED ON EICAS. R & R RUDDER NR 1 PRESSURE SWITCH IAW AMM 27-23-04. OPS CHECKED GOOD.