As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YAW DAMPER DISENGAGED TWICE ON APPROACH. (APPROX 1500 & 300AGL) ACFT GROUNDED. NR 1 SMYD SHOWS YD SERVO LOOP FAULT WITH MX MESSAGE 22-21006. ACCOMPLISHED FIM 22-23-809. TEST PASS & NO FAULTS UNDER EXISTING FAULTS. ON NEXT FLIGHT, ON TAKE-OFF, Y/D KICKED-OFF. QRH FOLLOWED. Y/D REMAINED ON REMAINDER OF FLIGHT. REACCOMPLISHED SWEEP TEST WITH NO FAULTS NOTED. REF FIM 22-23, TASK 809, PRECAUTIONARY REPLACED NR 1 SMYD REF MM 27-32-42. OPS NORMAL.