An Air Canada Airbus A330-300, registration C-GHKX performing flight AC-856 from Toronto,ON (Canada) to London Heathrow,EN (UK) with 216 people on board, was climbing out of Toronto, when the inflight entertainment monitor at seat 29G began to smoke. The power to the inflight entertainment system was turned off and the smoke stopped. The flight continued to London without further incident.
The Canadian Transportation Safety Board reported, that the monitor was replaced after landing.
Source: The Aviation Herald.