As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT YAW DAMPER DISENGAGES, CAPTAIN'S SIDE ONLY, WITH ASSOCIATED AMBER DISENGAGE LIGHT AND AMBER ''R'' LIGHT ON A/P CONTROL PANEL. ATTEMPTED TO RE-ENGAGE, BUT DOES NOT STAY ENGAGED.REPLACED APP65. OPS CHECK GOOD IAW MM 22-10-00. 10/16/03 UPDATE: REMOVED & REPLACED CAPT'S AUTO PILOT CONTROL PANEL IAW EMB 120 MM 22-00-00. OPS CHECKS GOOD. PN :622-5798-013 SN ON: 2072 SN OFF: 1668