As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE CAPTAINS YOKE NEAR EMITTING SMOKE NEAR THE STEERING DISCONNECT SWITCH WHEN AIRCRAFT IS ON GROUND. MAINTENANCE REPLACED THE CAPTAIN AUTOPILOT DISCONNECT SWITCH AND CHART HOLDER. IAW MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (SW200502010) (K)