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As I understand it, evolution in technology is similar to biological evolution in that it happens in leaps and plateaus, not a steady plod. I seem to recall the engines on the early 747s, which were the biggest in their day, much like the A380's now, had similar recurring problems. I suspect the next big leap will initially suffer, too.
Just a small point, A380 engine power is between about 70 to 90 IIRC.
The 777 has had been using 115 for about 7 or 9 years I think.
IIRC, engine makers have operated upto 120/130 in testing for normal aircraft type engines, guess thrust ASIM at hi power steeings will be an interesting read..!!!