> Not needing retraining was a good goal because it improves safety. That only works if retraining is not actually needed. Boeing's own test program gave adequ

> Not needing retraining was a good goal because it improves safety. That only works if retraining is not actually needed. Boeing's own test program gave adequate (but undisclosed, at the time) information for an independent observer to conclude that this was not the case here.