As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - AVIONICS SMOKE LIGHT WARNING ON CENTRAL WARNING PANEL DURING TAXI FROM HANGAR. INVESTIGATED AND FOUND ACARS MANAGEMENT UNIT TO BE SMOKING. REMOVED AND REPLACED ACARS MANAGEMENT UNIT. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)