As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE "RUDDER WAS STIFF AFTER COLD SOAK" TROUBLSHOOTING REALLY COULDN'T DUPLICATE DISCREPANCY, BUT THE RUDDER AFU WAS LUBED DURING A RECENT C CHECK. REMOVED THE RUDDER AFU P/N 105043-07 S/N 1156. INSTALLED A REPAIRED AFU S/N 1138. CREW REPORTED THAT THE RUDDER SYSTEM OPERATED CORRECTLY AFTER REMOVED AND REPLACED.