Originally Posted by auraflyer
This was my understanding of the meaning of the ADR disagree and IR1/2/3 disagree messages + possibly the Prim1 and Prim2 faults that followed. ie pitot faults, then AD goes, then IR goes. If I am wrong on that, I stand corrected.
There was no such IR 1/2/3 disagree sent! neither loss of any IR unit at all.