Originally Posted by
threeighteen
Boeing created this problem for themselves. Instead of creating a long overdue narrowbody from a clean sheet, they stretched the 737 yet again and are spending more time and losing more money by engineering work-arounds to get it working than it would have cost in R&D for a whole new jet.
Is that just a hunch or did you have the numbers? It is a staggering amount to create a clean sheet airplane, and obviously at the time Boeing decided it didn't make sense.