What was found
FLT 107, IAD TO FLL, IN FLIGHT TV C/B'S POPPED. RESET ONCE, GOT SMOKE AND WIRE SMELL AROUND ROWS 14 AND 15 DEF. PULLED C/B'S AND TURNED TV'S OFF. INSPECTED ROWS 14 AND 15 LIVE TV COMPONENTS. NO DAMAGE NOTED, REPLACED SEB AT ROWS 15DEF AND SEAT TO SEAT CABLE BETWEEN ROWS 15 TO 14 IAW LIVE TV MM 23-39-00, OPS CHECK OK. ENGINEERING AND MANUFACTURER INVESTIGATION FOUND FAILURE OF SEB (SEAT ELECTRONIC BOX) DUE TO MOISTURE CONTAMINATION.