The British group was issuing only its second statement since Thursday's incident in Singapore involving a Rolls-Royce Trent 900 engine, which has seen its shares take a battering.
"Rolls-Royce has made progress in understanding the cause of the engine failure on the Trent 900-powered A380 Qantas flight QF32 on 4 November 2010. It is now clear this incident is specific to the Trent 900 engine," the statement said.
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