Beatts
What you say may well be, however what I'm saying is that the Airbus engines are de-rated by what is effectively a "quasi" engine management chip so that the actual max power available on "full thrust" is not the same as the potential full power that the particular engine can be set up to produce. This is done because on certain airbus types there is more than sufficient power available for most operating conditions.
It makes sense for EZY to have the performance de-rated slightly, which achieves two basic things, it protects the engine life, and it also makes operation more economic. It obviously doesn't effect safety as all calculations by "touchpad"? or what ever are simply based on the actual engine performance available for the given conditions!