Further, the official noted that the latest issue is different from the problems experienced by IndiGo's A320 neos earlier and those have been addressed.
In a statement, IndiGo said it had proactively withdrawn the three A320 neo aircraft from service from February 9.
"Our precautionary measure of grounding the three aircraft resulted in cancellations of some of our flights," it said.
According to the airline, the recommendations by Pratt & Whitney as well as EASA are with respect to a certain sub- population of engines, with a particular engine configuration.
Pratt & Whitney, 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.
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