Hereīs a link to new hi-res pictures of the Hornet engine published by the Finnish Air Force today:
Puolustusvoimat - Frsvarsmakten - The Finnish Defence Forces
Like has already been said, no significant damage was found, only "concentrations of foreign materials", partly melted, but itīs plain to see that these spots do not even come close to blocking any of the cooling holes in the turbine blades. On the other hand, the occurrence took place in the morning of the 15th, before any restrictions even had been put in place.