That would've been the last C-FPBD, now YL-ABU with Air Baltic.

https://aviation.flights/aib/A220/55264

Thanks

Based on the current production numbers X4C "should" be rolled out by the end of the month.

Does anyone know what’s wrong with X4B?

She’s been having some proactive/preventative maintenance and is back in service today. X4A will now have the same treatment for the next week or so.

OK thanks Ben for the insights! Strange that this is occurring though for such new aircraft

Any word on when X4C will be delivered?

Don't quote me "mid-July"

Thanks Greg! Seems a bit later than originally planned as I think it was due in June sometime.

Correct, delayed due to .....

Hard to get a read on the Montreal factory with production delays, part problems, industrial action, no eyes on the ground, ....