As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE PTV UNIT AT SEAT 9K EMANATED SOME SMOKE. ISOLATED THE PROBLEM TO THE USB PORT WHICH WAS THEN DISCONNECTED. REPLACED DAMAGED USB PORT HARNESS ON CONTOUR SEAT SUITE 9K. REPLACED DAMAGED USB HARNESS. FOUND COVER DAMAGED, S/M TEMP REPAIRED, FOUND ISPS OUTLET U/S AND AUDIO INTERMITTENT. NEEDS T/S. DEFERRED IAW MEL 23-32-01-A.