Originally Posted by
Airbubba
Here is the Executive Summary of the Aircraft Accident Investigation Board's report:
.........MM2 then connected these parts, components, and the regulator to the MA’s oxygen system.
Upon finding a non-oxygen clean regulator connected to the MA.........
https://media.defense.gov/2017/May/0...09-335-001.PDF
I wonder what happened in that interval. How did Boeing "find" a non-oxygen clean regulator"? Was there some kind of test? Hard to imagine what and anyway, there would have to be a post-test test. Or did one of the MM's report that they had screwed-up?
(love the term MM. I can think of several M's worthy of that epithet)