. . . Boeing and regulators found that “more than half of pilots responded with the wrong procedures,” according to one of the three people briefed on the results ... “Troubleshooting the failure presented wasn’t intuitive based on the checklist,” said another person familiar with the trials...”
It seems to me that YYZjim's speculates thoughtfully and intelligently on the information in the cited article. When LO posted the link, I read it, shook my head in despair (if not in surprise) and suggested that it is important reading. I really think it is.
Whatever the details, it's hard to imagine any explanation for half of the line pilots responding "with the wrong procedures" that isn't seriously disturbing. What in the world is going on?