An Air Canada Boeing 787-800, registration C-GHQQ performing flight AC-3 from Vancouver,BC (Canada) to Tokyo Narita (Japan), was enroute at FL360 over the Gulf of Alaska about 850nm northwest of Vancouver and about 350nm southeast of Anchorage,AK (USA) when the crew declared PAN reporting a possible hydraulic leak and decided to return to Vancouver.
More on AvHerald
http://avherald.com/h?article=48588fde&opt=0