Pay-to-Read "Boeing Knew About Safety-Alert Problem for a Year Before Telling FAA, Airlines -"

"It was only after a second MAX accident in Ethiopia nearly five months later, these officials said, that Boeing became more forthcoming with airlines about the problem. And the company didn't publicly disclose the software..."

https://www.wsj.com/articles/boeing-knew-about-safety-alert-problem-for-a-year-before-telling-faa-airlines-11557087129