Several passengers expressed anger after leaving the aircraft and sought action from the airline over the incident. New Delhi: Passengers at Indira Gandhi International Airport reportedly protested after the air-conditioning system failed inside a SpiceJet flight scheduled to fly to Pune, with the cabin becoming extremely hot after passengers had boarded. Some passengers reportedly felt unwell as the temperature inside the aircraft rose. Cruising en route from Phuket to New Delhi, the aircraft experienced a sudden 300-foot altitude drop over Odisha, resulting in injuries to passengers and crew members. In the incident, injuries were reported to 20 passengers and 4 cabin crew members, the Aircraft Accident Investigation Bureau (AAIB) said in a statement on Tuesday.