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FAA warns of possible defect in Boeing 777 engines
(interestingengineering.com)
This is a most excellent place for technology news and articles.
Dead bodies
This is the metric that the FAA and aircraft manufacturers use to fix a problem.
If the body count rises to triple digits then they'll think of doing something.
The type of bodies also matter. A North America or European one is equivalent to two Asians or five Africans.