Originally Posted by
Wally Bird
The concerns are over the engines, Pratt & Whitney GearedTurboFans (GTF). These engines are also planned for the Mitsubishi Regional Jet and Irkut MS-21 the direct competition to the C-series, so whatever Qatar's concerns are, they don't affect Bombardier's market share (currently 50%).
It's possible that whatever the problem is can't be fixed, in which case all 3 airplane programs will be in trouble.
You're assuming that the "problem" is technical in nature. Are youy 100% sure of that? Hint: you shouldn't be.