Swissair has taken five of its Airbus A320/A321s out of service after discovering cracks in the turbine rear frames of the aircraft's CFM56-5B engines, a spokeswoman said yesterday. Flight operations were not seriously disrupted as a result of the grounding, she said. The problem was detected during routine checks to an A321. An inspection of the carrier's 13 A320/A321 jets revealed similar cracks in four A320 aircraft. Specialists from Swissair's Technical Services are working with ...


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