Core Points - A software glitch in Airbus A320 jets led to a partial recall, affecting hundreds of flights in Asia and Europe, and posing a risk to US travel during a peak travel weekend [1][11] - Airlines worked quickly to address the issue, with many reporting minimal operational impact after reverting to previous software versions [2][3] Group 1: Software Glitch and Impact - Airbus identified that high levels of solar radiation could corrupt essential flight control data in A320 family aircraft, prompting the need for software updates [7] - The glitch affected over 6,000 aircraft, which is more than half of the global A320 fleet, potentially risking vital flight control data [11] - Airlines such as American Airlines, IndiGo, and easyJet reverted to earlier software versions to maintain normal operations [3] Group 2: Airline Responses - IndiGo completed mandatory system upgrades across its entire A320 fleet, ensuring compliance with safety requirements [4] - Air India successfully updated over 90% of its A320 aircraft, while Flyadeal repaired all 13 affected jets and resumed operations [5] - US Transportation Secretary Sean Duffy indicated that impacted American carriers were on track to complete necessary work by the Sunday midnight deadline, minimizing expected disruptions [6] Group 3: Operational Details - The software update process involved reverting to earlier versions, which could take 2 to 3 hours for data upload, while up to 1,000 older jets required physical hardware upgrades and were grounded [9] - Following the alert, airlines worked overnight to rectify the issue, with many reporting no significant impact on their operations [2][3]