Closer inspection of a General Electric GEnx-2B engine that failed last month on a Boeing 747-8F indicates that a miss-assembled turbine part was the likely culprit, rather than the contamination suspected as the cause of a very similar GEnx-1B problem on a 787-8 in July. The -2B failed as an Air Bridge Cargo-operated Boeing 747-8F was making its takeoff run in Shanghai, China, on Sept. 11. A visual inspection revealed damage to the low-pressure turbine (LPT), which at first appeared ...

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