Rolls-Royce has been forced to make small changes to its Trent 900s, which power the Airbus A380, because of oil leaks discovered during in-service operations. The Australian Air Transportation Safety Board (ATSB) notes in its final report on two separate Qantas aircraft incidents—VH-OQG on Feb. 24, 2011, flying between Singapore and London, and VH-OQC on the same route on Nov. 3—“engine oil leaks occurred at the external oil feed pipe connector to the high-pressure/intermediate-pressure ...


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