They have then flown sectors at a weight greater than that.
No they haven't. Even if they had it would then be a disciplinary (and hence internal to Ryanair) and not a financial matter as en-route charges
must always be based on maximum structural TOW as per certification (please read the Eurocontrol FAQ via the link previously posted by
LMX).
Half tongue in cheek: if you keep making false claims about Ryanair they might try and subpoena your data from PPRune. I'd be more careful if I were you.