What was found
ON THE GROUND WITH APU RUNNING, POWERED UP THE PERSONAL VIDEO MONITORS TO DISPLAY THE AIRSHOW. AFTER ABOUT 3 TO 5 MINUTES, NOTICED THE MONITOR AT SEAT NR 2 POSITION FLICKERED, THEN WENT BLANK AND IT BEGAN TO EMANATE AN ELECTRICAL BURNING ODOR FROM CONNECTION. AFTER REMOVING ALL POWER FROM THE PLANE, THE ODOR DISSIPATED. FOUND LOWER PART OF RECEPTACLE DAMAGED, R & R FWD MONITOR RECEPTACLE, OPS CHECKED GOOD IAW MM 25-30-10.