https://www.f35.com/news/detail/f-35...r-admiral-john
One could wonder just what flight restrictions might help the engine. No more than 90% rpm? No flying all the way across the Atlantic? If they still thought (at the time of that statement that they still don't have the full answer, I wonder if they're feeling to get the thing in the air again.
Safety remains the overriding priority.
that's OK then!