It makes me a little melancholy to see this
. I hired into Boeing as a fresh face straight out of college to work the "7X7" and "7N7" projects - which morphed into the 767 and 757, respectively - and spent the early part of my career working the 767. First time I ever felt 'old' was when I read an article about a airline that was looking to "replace it's aging fleet of 767s"
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Operators really liked the 767 - they would fly a long time with not a lot of maintenance (there are many 100,000+ hour 767s out there still flying). While the 767-400ER was a major flop, I still wonder if there is a good market for a re-engine 767...