Although didn't they sell their training ground to the Spanish Government/Madrid City Council in a somewhat dubious deal and then get the use of another one for peanuts? It looks rather like a sugar daddy effect but without the individual as a daddy figure. Having the Spanish Government bankrolling you when you get into trouble isn't too bad a position to be in I wouldn't have thought - at least until recently when the whole country got into a bit of financial trouble...
Yeah there is an investigation because they are thought to have breached the state aid rules, at which point the FFP rules would kick then out of Europe... So that is the last we hear of that investigation