2 ms·

They do disassemble the entire plane for heavy maintenance checks every 6-12 years. The MAX 9 has been in operation for just a few weeks though...

• 0cf8612b2e1e 3y ago
  That’s pretty incredible. After a heavy maintenance breakdown, what percentage of the plane gets replaced? Or is everything already on a routine maintenance schedule so the intention is to visually identify unexpectedly failing parts?
  • HPsquared 3y ago
    Probably still not every single sub-sub-sub-component.
  • iancmceachern 3y ago
    Things like fasteners all get replaced, other things get replaced or refurbished on defined schedules.