Air India Express flight makes 'PAN-PAN' call, lands after 20-min delay despite engine fault

An Air India Express Delhi-Indore flight made 'PAN-PAN' call on Friday, indicating a non-life-threatening emergency warranting a 'possible assistance needed' call. The Boeing 737 MAX 8 plane landed following a 20-minute delay after developing an oil filter issue when the flight was descending into Indore. An airline spokesperson said it wasn't an emergency but pilot had requested priority landing.