New Delhi, April 10 -- An Air India flight from Mumbai to Bengaluru returned shortly after take-off on Thursday after one of its engines stalled, prompting the pilots to issue a "PAN PAN" emergency call, officials familiar with the matter said. The incident involved flight AI 2812, an Airbus A320 Neo, which was originally scheduled to depart Mumbai at 2:05 am. The aircraft took off around 2:30 am but returned to the airport within minutes, the officials said. Passengers reported hearing a loud sound and seeing sparks during take-off. "There was a sound heard and sparks seen while take-off. The pilot declared PAN PAN and returned to the airport within minutes," said an official, requesting anonymity. "It was later found that engine 2 had stalled," the official added. An Air India spokesperson, however, termed it a precautionary return. "Flight AI 2812 from Mumbai to Bengaluru on April 9 returned to Mumbai shortly after take-off as a precaution due to a suspected technical issue, in accordance with standard operating procedures. The aircraft landed safely and is undergoing detailed technical inspections," the spokesperson said. "An alternate aircraft was arranged that departed around 4.45 am," an official said.htc...