hmm fighter jets need like 15-25 maintenance man-hours per flight hour...wonder what the number is for passenger airliners... must be much lower because sure you can put several maintainers on it per wall clock hour, but if it's not in the air it's not making money.
There should be a romantic drama about a US air force pilot, and one of the mechanics responsible for maintaining their plane...
Airbus says the maintenance checks for the a220 take 10-15 man-hours per 850 flight hours, and what seems like at least 1600 man-hours per 8500 flight hours, but that’s not maintenance, just inspection, if they find “this part needs to be fixed or replaced” I have no idea how long that takes, or for any standard servicing they perform at X hours.