On 13 February, the DGCA had said that it was monitoring engine glitches to ensure that safety is not compromised. The order applied to eight IndiGo flights and three of GoAir, The Economic Times reported. The US company added that the "aircraft on ground situation" may take until the end of the second quarter to address.
Indian carriers have had three mid-air engine failures in less than a month, and the latest directive takes the total number of P&W geared turbofan-powered A320neos grounded to 14. The regulator said it will make further decisions on the matter after consulting with the European Aviation Safety Agency and engine manufacturer Pratt & Whitney. Indigo is both the largest current operator of the A320neo and the No. 1 customer.
On Monday, hundreds of passengers were stranded across the country as dozens of flights were cancelled by IndiGo and GoAir due to the grounding of the 11 A320 Neo planes of the two carriers. These aircraft feature a certain series of the of Pratt & Whitney engines, which have been having technical issues for a while now.
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The DGCA official said since then, there have been three cases of the in-flight shutdown of A-320 Neos fitted with one affected PW1100 engine.
The pilot of flight 6E-244 was forced to turn back a little over 40 minutes after takeoff, making an emergency landing at 10.04am in Ahmedabad. "At IndiGo the safety and security of customers, crew and the aircraft is the top priority and can not be compromised at any time".
IndiGo said these were related to non-detection of chip, carbon seal lining or combustor chamber lining in Pratt & Whitney 1100 series engines. The airlines have promised to accommodate the affected passengers in other aircraft but there will be a change in their schedule.