As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER RATIO EICAS C THE RUDDER RATIO SYSTEM HAS A FAILURE. COMPLIED WITH FIM 27-09-00-815-814 & 27-09 FAULT TREE 814. NO CURRENT OR HISTORY FOUND REMOVED AND REPLACED THE RUDDER ELECTRO HYDRAULIC SERVO VALVE IA W AMM 27-21-15-422-024. OPS AND LEAK CHECKS GOOD. PER TOMC TED & SR MGR MIKE MC. OK TO CONTINUE ADD EMP:U346523