Originally Posted by
hans brinker
No, there was no comparison done between the left and right AOA. The left side incorrectly indicated a very high AOA, the right side indicated correct. The warnings generated (stall/UAS) were all from the left side, and the MCAS was using the left side too.
From earlier in the thread the ADIRUs disagreed because of the AoA disagree. I was pointing out that the aircraft systems had already sensed an AoA disagree otherwise they would not alert to a UAS.