IndiGo withdraws three A320neos from service after engine safety alert

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Eight customers operate 113 A320neo family aircraft with P&W engines, Airbus says.

"The passengers have also been given choice of full refund as well".

Aircraft using alternative engines from CFM International are not affected. "Accordingly, EASA has imposed following restrictions with immediate effect", the official at the Directorate General of Civil Aviation (DGCA) said. If an aircraft has only one engine with the aft hub modification, it must stop flying extended routes over water within one flight cycle, EASA says.

"This problem is isolated and limited", assured Pratt & Whitney, a subsidiary of the U.S. industrial conglomerate United Technologies. "We are working with the engine manufacturer to replace the affected engines and to understand the longer-term implications of this situation".

"We are honoured by the continuing confidence that SWISS has placed in Pratt & Whitney and in the GTF engine", said Chris Calio, President, Commercial Engines, Pratt & Whitney.

"Our precautionary measure of grounding the three aircraft resulted in cancellations of some of our flights", it said. "But we feel it was the best decision in the interest of our safe and reliable operations", IndiGo said in a statement. "Product Safety Boards of PW and Airbus post evaluating the PW1100G-jm engine issue decided that all neo deliveries are postponed till further notice".

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An Airbus spokesman said it is "in discussions with customers about delivery schedules" on a case-by-case basis.

P&W, with the support of Airbus, is in close contact with the airline to address the results of a recent finding related to the issue, it added.

SWISS now operates a fleet of 15 GTF-powered Bombardier C Series aircraft, including both the CS100 and CS300 models, with another 15 aircraft on order.

Budget airline GoAir said it has three of these engines installed in its aircraft.

Last year, other problems with the GTF engine also caused delays in deliveries of the twin-engine A320neo, a more fuel-efficient version of the Airbus company's best-selling airliner.

"The affected passengers have been accommodated in our other connections and flights of other airlines".

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