A successor of the A320 family, the Airbus A320 neo is passenger aircraft that comprises four narrow-bodied aircraft variants: A318neo, A319neo, A320neo and A321neo.
According to reports, eight aircraft operated by India's biggest low-priced carrier- IndiGo that is owned by InterGlobe Aviation while three aircrafts are operated by its rival GoAir. "We are working to mitigate the Aircraft on Ground (AOG) situation by the end of the second quarter". The regulator also asked the airlines not to refit the engines.
The move immediately grounded eight aircraft at IndiGo, India's largest carrier, and three at GoAirlines India Pvt.
A Mumbai-bound GoAir flight carrying 176 passengers today made an emergency landing at the airport here following a technical glitch, according to the airline.
The grounded planes, including the one that had a mid-air failure, all have Neo engines. The said aircraft was one of the 11 Airbus A320neo's powered with Pratt & Whitney PW1100G engines. The IndiGo airlines also expressed regret after thousands of passengers who faced inconvenience during the immediate grounding.
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. After the replacement, the defective engine is sent to the manufacturer and the planes continue to operate with the replaced engines, the report added. The Ahmedabad-Lucknow flight was returned to Ahmedabad. As recently as February, the DGCA had ordered IndiGo to not fly three of its jets. "Safety is our top priority". On Monday too, hundreds of passengers were stranded across the country as dozens of flights were cancelled by IndiGo and GoAir, reported PTI.
Pratt & Whitney in a statement said corrective action has been approved and "we have already begun to deliver production engines with the upgraded configuration".