A320neo jetliners with Pratt engines that have a seal found to cause vibrations will no longer be able to fly, India regulators said.
Eleven aircraft operated by Indian carriers IndiGo and GoAir are affected by the directive from India's Directorate General of Civil Aviation (DGCA), it said. The 78-seater aircraft was carrying 67 passengers when it veered off the runway while landing at 2.20 PM and crashed onto a ground near the airport, catching fire. Early last month, the European Aviation Safety Agency (EASA) had issued an emergency airworthiness directive warning of a potential "dual engine" inflight shutdown on A320 Neo-family aircraft powered by PW PW1100G geared turbofan (GTF) engines.
According to a senior DGCA official, of the 11 planes to be grounded, eight are operated by IndiGo and three by GoAir.
Sources said the grounding of A320 neo aircraft will have an impact on the flight operations of IndiGo and GoAir. Both of the airlines have been asked to not use these same engines in their planes, even if they have them on spare.
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The regulator would be in touch with the stakeholders and review the situation in due course and when the issue is addressed by European regulator EASA and P&W, it added.
In a statement, a spokesperson for P&W said, "We are working closely with our customers to minimise the disruption".
Indigo said it was in receipt of the DGCA communication and would promptly comply with the same. We have complied immediately. The corrective action has been approved and we have already begun to deliver production engines with the upgraded configuration. "We are working to mitigate the AOG situation by the end of the second quarter". "The affected passengers will be accommodated on other flights on our network", an IndiGo spokesperson said. IndiGo has one of the largest A320neo fleets with 32 aircraft.