Originally Posted by My Translation of France24

According to Thierry Le Bailly, A320 pilot at Air France, the theory of frozen Angle of Attack probes, which calculate the aircraft's angle of incidence, seems "very likely".

"If these probes get blocked during the ascent, the probes send false information to the calculators, and this risks an activation of the aircraft's protection systems, even through the aircraft is flying very well," he explained to France 24.

"The protection systems will lower the aircraft, preventing the pilot from righting the aircraft unless he switches off the calculators in question, in which case he will regain authority over the flight command systems, and redresses the aircraft."