I fail to see the specific connection to the MAX or any B. brand manufactured type or model. It does not help when more obstacles are discovered on the path to get the plane flying, but this one is not a MAX
's issue.
Discussed a while ago:
https://www.pprune.org/rumours-news/...ve-error-5.htm. A search yields a couple more threads.
https://www.pprune.org/search.php?searchid=10270865