c314, thanks for sharing.
So in terms of the human performance in identifying the failure: the AD assumes that the crew will notice the trim motion (after flap retraction) amongst all of the other alerts, but, ’Flaps stopped MCAS inputs. The accident crew failed to notice that as well.’
The safety case appears to be based on the publication of a new (interim?) drill via AD, and without further system description (flap, thrust, Air Data inputs) expect everyone, in all situations, to understand and detect failures.
For how long are we to be exposed to this risk ?