Reviewing these images makes it clear why Qantas was quick, and correct, in grounding its A380 fleet. The wing of the jet shows remarkable structural strength in sustaining damage that might have destroyed the airliners of earlier decades, but the questions as to whether control system revisions are necessary to deal with some of the consequences in terms of failed hydraulics and fuel imbalance are said to be very actively under consideration.
And the questions concerning the timeliness of the Rolls-Royce responses to a known problem, and its capacity and willingness to share them with the airlines concerned will not go away. If the engine maker doesn’t address them its customers will.