1. Airbus warns of potential flight disruptions as thousands of planes require upgrades  The Journal
  2. Passengers face disruption as Airbus makes software updates to planes  BBC
  3. Airbus warns of disruption over A320 software switch  RTE.ie
  4. Airbus issues major A320 recall after recent mid-air incident  The Guardian
  5. Airbus issues major A320 recall, threatening global flight disruption  Reuters