The 787 is again on delivery freeze while Boeing reworks the structural analysis of the forward pressure bulkhead which had been outsourced and screwed up.
Boeing went from being a great engineering firm to a shareholder value firm. They transitioned from making airplanes to making money and outsourced as much of the engineering and building as they could. So they are left with the pathetically anachronistic 737 Max, the 787 lightning rod and someday the much delayed 777x