What was found
(CAN) APPROX 30 MINUTES AFTER TAKEOFF, PAX IN 12B,C NOTICED A BURNING SMELL IN OVERHEAD BIN. (THERE WAS A BANGING SOUND AT TAKEOFF APPARENTLY) ALSO NOTICED WERE SMALL PUFF OF SMOKE COMING FROM VENT ABOVE THE PAX IN 12 A,C (A COUPLE OF TIMES) SMOKE SMELL WAS CONFIRMED FROM CREW. RETURNED. FOUND VIDEO MONITOR AT SEAT 12 A,C SMELLING OF SMOKE. MONITOR REMOVED AND CONNECTORS CAPPED. SEE SNAGL1443368, MONITOR REPLACED AND CHECKS OK.