A Westjet Boeing 737-800, registration C-FWSE performing flight WS-1229 from Orlando,FL (USA) to Toronto,ON (Canada) with 165 passengers and 6 crew, landed on Toronto's runway 24R at 16:25L (20:25Z) when the aircraft drifted significantly to the left of the centerline. The aircraft taxied to the apron. The Canadian TSB reported that after arrival at the gate damage to the left hand outboard main tyre and the lower anti skid wiring conduit of the left hand gear was found. A runway inspection the following day revealed a left runway edge light about half way down the runway was missing, the light was subsequently found in the grass about 30 feet from its installed location.
Convective weather and reduced visibility due to heavy rainfall were observed at the time of the landing. The left hand main tyre and the anti-skid conduit were replaced. The occurrence aircraft returned to service about 20.5 hours after landing.