Boeing told lawmakers its planned fix for an engine issue on all 737 Max jets will take up to a year, delaying certification of the 737 Max 7 and Max 10 airliners.In written responses to questions from Sen.
'If and when the Max 10 gets certified, we'll convert them back to Max 10s, but Max 10 is out for us until it's certified.'Kirby acknowledged United is also weighing an order with rival Airbus for its A321neo aircraft. Any A321 order would likely lead to a corresponding order cancellation at Boeing.'If we get a deal … to work, then we'll do something, and if we don't, then we won't, and we'll wind up having more Max 9s,' Kirby said.