As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C WAS IN LEVEL FLIGHT WHEN SMOKE WAS NOTICED COMING FROM SEAT 16C VDU. THE IFE SYSTEM WAS DEACTIVATED. MAINTENANCE REPLACED THE VDU AND THE SYSTEM WAS TESTED SERVICEABLE. THIS COMPONENT WILL BE RETURNED TO THE MANUFACTURER AND A COMPLETE TEAR DOWN REPORT WILL BE REQUESTED.