>>An Air Canada flight to Edmonton made a precautionary landing in Winnipeg after an electrical odor was noticed in a lavatory, an airline spokesperson says.<<
AC and the rest of us learned from their tragic lav fire in CVG twenty years ago - get it on the ground ASAP, even if you think the fire is out.
See:
http://aviation-safety.net/database/1983/830602-1.htm
and
http://pw1.netcom.com/~asapilot/797.html