According to the story, during testing it was discovered that using the engine anti-ice for more than 5 minutes in dry air could seriously compromise the engine cowling inlet by damaging the internal parts.
I guess this begs the question why would anyone even think to turn it on if not in visible moisture at 10C or less? What would be the point??
https://www.aerotime.aero/articles/faa-leap-1b-adThe AD will affect just about every 737max, of all variants, across the board. Basically a paperwork fix till software is deployed.
What's the point of an open door policy if inside the open door sits a closed mind?