What was found
UNCOMMANDED RUDDER DEFLECTION AT FL380. INTERROGATED MDC AND FOUND YAW DAMPER NR 1 INOPERATIVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNCOMMANDED RUDDER DEFLECTION AT FL380. INTERROGATED MDC AND FOUND YAW DAMPER NR 1 INOPERATIVE.