EASA have effectively banned the use of the type of second stage planet gears involved in the accident(s?). Any 225LP and 332L2 with that type og second stage planet gears have to replace them with the other type to fly again.
I'm not knowledgeable enough about this to evaluate if that is enough to deem it safe or not, but it's not like they just waited for the dust to settle and then let things continue as if nothing happened.