Alaska B734 at Vancouver on Jan 14th 2014, wake turbulence rolls aircraft to 70 degrees

An Alaska Airlines Boeing 737-400, registration N756AS performing flight AS-703 from Los Angeles,CA (USA) to Vancouver,BC (Canada), was on final approach to Vancouver's runway 08L at 1900 feet about 6.5nm behind an Air Canada Airbus A330-300, registration C-GFAJ performing flight AC-855 from London Heathrow,EN (UK) to Vancouver,BC (Canada), when the aircraft rolled left to 70 degrees of bank twice. The crew continued the approach for a safe landing.

The Canadian TSB reported the winds at the time were from 090 degrees at 4 knots, the Boeing was at 1900 feet below the glide path. The Airbus A330-300 had crossed that point at 2400 feet above the glide path. The Boeing encountered wake turbulence from the Airbus.