The flight AC017 of Air Canada had just departed from Montreal to Shangai at 1:31 p.m. of this Saturday, when a warning light forced pilots to turn off one of two engines .
on the plane, a Boeing 787-Dreamliner, and turn back toward the airport while alerting emergency services. The crew dumped fuel on its way back to lighten the weight of the aircraft.
It took about an hour for the plane to return to the airport. Air Canada arranged for another flight to leave at 9:30 p.m., or passengers had the option of staying in a hotel and flying out on Sunday.
The passenger Josh Jacobs has published a video of the moment on his Twitter account.
— Josh Jacobs (@josh_edu) March 25, 2017