Dhaka, Aug. 4 -- An Air India flight from Bhubaneswar to Delhi was cancelled on Sunday (August 3) after a technical issue led to excessively high temperatures in the aircraft cabin just before departure.

According to multiple sources, a malfunction in the Auxiliary Power Unit (APU)-responsible for regulating temperature and providing power on the ground-rendered the backup system inoperative, leaving the aircraft unable to cool its interior.

The affected service, Flight AI500, was scheduled to depart from Biju Patnaik International Airport (BPIA) at 12:35 PM and land in New Delhi at 2:55 PM, carrying 183 passengers.

The issue was detected on the ground at Terminal 1, and passengers were left waiting at the boarding gate for nearly four...