Boeing said it discovered after airlines had been flying its 737 Max plane for months that a safety alert in the cockpit was not working as intended, yet didn't disclose that fact to airlines or federal regulators until after one of the planes crashed.

Boeing said it discovered after airlines had been flying its 737 Max plane for months that a safety alert in the cockpit was not working as intended, yet didn't disclose that fact to airlines or federal regulators until after one of the planes crashed. https://t.co/O3tA06tomQ

— NBC News (@NBCNews) May 7, 2019