Originally Posted by takata
The main problem with such scenario is that it just doesn't fit with ACARS reported:
1. Pitot Probes freezing was actually detected by the systems;
2. Auto Pilot and Auto Throttle also disengaged automatically as a consequence of 1 (as designed, and it was not a manual disconnection).
Blockage could have been simultaneous, but unblockage was not ... so appear the ACARS messages, but at this time the overall situation is already highly degraded ...