Rolls-Royce hit by further setback to fixing Boeing 787 engines

Rolls-Royce will take longer than expected to fix problems with its Trent 1000 engine, frustrating efforts to get Boeing 787s grounded by the glitch flying again and knocking the British company's shares. Rolls-Royce, whose engines power large civil and military planes, said on Friday it had sped up turbine blade replacement for some models, leading to additional removals and delaying a reduction in the number of grounded aircraft to single figures until the second quarter of 2020. The… (www.yahoo.com) المزيد...