KEY POINTS
  • The crew of the Montreal-bound 737 Max-8 received an engine alert and diverted to Tucson.
  • There were three crew and no passengers on board the ferry flight.
  • Airlines have repositioned aircraft for the jets to return to service after a nearly 2-year grounding
An Air Canada Boeing 737 MAX 8 aircraft is being towed in as another Air Canada Boeing 737 MAX 8 aircraft is seen on the ground at Toronto Pearson International Airport in Toronto, Ontario, Canada, March 13, 2019.

A Montreal-bound Air Canada Boeing 737 Max ferry flight diverted in Arizona earlier this week due to an engine issue, the airline said Friday.

Pilots on Air Canada Flight 2358 received an engine alert shortly after takeoff from Marana, Arizona on Tuesday, the airline said. The carrier had been storing 737 Max jets there after the planes were grounded worldwide in March 2019 after two deadly crashes.