Out of interest, I read this on Avherald and few minutes ago:
Incident:
Emirates A388 near Kosice on Nov 7th 2012, engine shut down in flight
By Simon Hradecky, created Saturday, Nov 10th 2012 21:31Z, last updated Saturday, Nov 10th 2012 21:31ZAn Emirates Airbus A380-800, registration A6-EDO performing flight EK-201 from Dubai (United Arab Emirates) to New York JFK,NY (USA), was enroute at FL340 about 30nm northeast of Kosice (Slovakia) when the crew shut the #4 engine (GP7270, outboard right hand) down. The aircraft set course in direction of Frankfurt/Main (Germany) descending to FL100, about 85nm east of Frankfurt the aircraft changed course to fly south around Frankfurt and divert to Paris (France). The aircraft landed safely on Charles de Gaulle Airport's runway 26R about 140 minutes after the engine was shut down.
A replacement Airbus A380-800 registration A6-EDM was dispatched from Dubai to Paris as flight EK-3073 and resumed flight EK-201 reaching New York with a delay of 12 hours.
A passenger reported the crew announced engine #4 had been shut down.
The incident aircraft was able to position to Dubai on Nov 8th as flight EK-7002 and resumed service about 35 hours after landing in Paris.
Perhaps there is more info on the shutdown???