As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START AND PUSHBACK, R YAW DAMPER. NON CREW DEFERRABLE. A/C RETURNED TO BLOCKS (BTB). MTC DEFERRED RH YAW DAMPER IAW ABX-MEL-22-21-1 A/C REMAINS CAT III B. COMPLIED MX PROCEDURES & PLACARD INSTALLED. A/C RETURNED TO SERVICE.