As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, SMOKE ACCUMULATED FROM SEAT 10D. FLIGHT CREW UTILIZED PORTABLE FIRE EXTINGUISHER AND DEACTIVATED PERSONAL VIDEO SYSTEM. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SEAT ELECTRONICS BOX AND INSPECTED AREA FOR ANY DEFECTS. NO FURTHER DEFECTS WERE FOUND, OPERATIONAL CHECK GOOD.