Pratt & Whitney examining excessive heating of A320 Neo engines

The issue led to smoke engulfing the cabin of IndiGo aircraft last week leading to emergency landing by the pilot

Engine maker Pratt & Whitney is investigating incidents of excessive heating of the compressor seals in the Airbus A320 Neo planes leading to its failure- the latest in a series of problems that have plagued the new turbine, according to Indian aviation regulator Directorate General of Civil Aviation.

The problem was identified while investigating the incident where thick smoke had engulfed the cockpit and cabin of an IndiGo aircraft forcingthe pilot to do an emergency landing and evacuation of passengers at Kolkata last week.

The problem though reported in very few isolated incidents is a cause of concern for the