Originally Posted by Lonewolf50
Since we don't know what he was seeing, and apparently can't from the way FDR data is recorded ... how can one get to the root cause of his control inputs?
By sitting on one's hands and refraining from extensive theorizing until such time when BEA releases DFDR plots and CVR transcript. From DFDR data we can 99.99% reliably conclude what were the indications in the cockpit. 0.01% refers to freak CRT (or LCD) failure undetected by ECAM.