Mumbai:An Air India aircraft makes a 'pan pan' alert while enroute Bengaluru on Thursday. The incident took place on flight AI 2812, an A320 Neo aircraft. The flight, originally to take off at 2.05am, took off at around 2.15am. The aircraft returned to the Mumbai airport at around 2.35am. According to officials the passengers reported soaked during takeoff. One of the officials said, “According to the official information available, there was a sound heard and sparks seen while takeoff. The pilot declared ‘pan pan’ and returned to the airport a few minutes after takeoff.” “It was later known that its engine 2 had stalled,” the official added.