As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT FROM SAL TO IAD SOME SMOKE CAME OUT FROM SCREEN IN SEAT 8K THE IFE SYSTEM WAS SET TO OFF AND THE FLIGHT CONTINUE TO IAD. AT IAD STATION THE IFE SYSTEM WAS DEACTIVATED AND INCLUDED AS A DMI FOR CONTROL. THE AIRCRAFT CONTINUE IN NORMAL OPERATION.