Manufacturing was paused at Boeing's Renton production facility this week so workers could participate in "quality improvement sessions." NTSB investigators are taking a closer look at the inner workings of the company's 737 Max line with continued concerns after a door panel blew off on a 737 Max 9 in mid-air earlier this month. On Friday, Seattle based aviation expert John Nance said the plane itself is solid and the issue with the plane stems from a production problem at Boeing's Renton factory. "This is not just another Max problem. This has nothing to do with that," he said. "This is a door that was installed incorrectly in the factory in Renton. There's going to be a story behind that. By the same token, this plane is not only perfectly good, there was never anything wrong with it aerodynamically." Read more: https://www.king5.com/article/tech/science/aerospace/boeing/aviation-expert-says-boeing-max-9-blowout-stems-from-issues-at-renton-factory/281-b7fd683c-be0c-4cae-90ed-b96794e3711f