Flutterby™! : 737 MAX fuel tank debris

The problems go way beyond a broken software engineering culture: Boeing Finds Fuel-Tank Debris in Two-Thirds of 737 MAX Jets Inspected So Far

The inspections have raised red flags, some of the officials said, because Boeing's commercial-airplane unit traditionally has been recognized as a leader in devising systems to combat such production lapses. All tools used inside aircraft are supposed to be logged and tagged, with employees double-checking each other to verify each piece of equipment is removed. The Boeing spokesman said the company has ramped up such checks to prevent future problems.

Trying to solve cultural problems with procedures...