The National Transportation Safety Board says Boeing warned plane owners in 2011 about a flaw in the part that failed and contributed to the engine flying off a UPS plane before it crashed and killed 15 in November but at that point the plane manufacturer didn’t believe it threatened safety.
…which has been part of Boeing for almost 30 years
And this plane was delivered 6 years before they merged with Boeing.
To Thai Airways, yes. It was remodeled by Boeing in 2006 before it was handed over to UPS.