Isn't this type of problem worth a detailed entry and a through inspection, including looking at FDR ?
After all, if it an a/c doesn't do what is commanded to, there must be a reason,
Perhaps just new software needed in a/c
These questions obviously come from an enthusiast that appreciates very much this forum competence, kindness and sporadic nostalgia.
EDIT: after some thinking I got the feeling the most likely is that when the airbus does like that all what one has to do is the" right action" as trained by the ones who know and keep flying happily.
You can happily ignore my naive questions !