Sources told Reuters the rework could take up to nine days. Airbus and Leonardo engineers are still looking for the cause.
Canada–Vietnam deal allows up to 14 weekly passenger flights per country; Air Canada has not named a gateway or airport.
Southwest and United will not take new 737 MAXs with the affected software as the FAA plans a review board.
Qantas expects travelers to pay about 20% more to skip a stop. Airways tests the math on its 238-seat Project Sunrise A350s.
Qantas plans nonstop Sydney–New York flights from mid-2028, subject to approvals, with tickets due on sale in August 2027.
A global review of commercial flight