As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIDEO UNIT OVER 25A AND 25B OVERHEATED AND STARTED SMOKING. FLT ATTENDANTS REMOVED POWER FROM UNIT AND SMOKE AND BURNING SMELL WENT AWAY. UNIT COOLED DOWN. INSPECTION FOUND SOURCE OF SMOKE TO BE AT OVHD MONITOR AT 25 A/B. REMOVED AND CAPPED CONNECTOR TO MONITOR AT 25 A/B. TRANSFERRED VIDEO SYSTEM TO NEF 233-143CN PER CREW REQUEST FOR FURTHER TROUBLESHOOTING C/B ON ROW F LOCATION 2 BEHIND CAPT PULLED AND COLLARED.