Airbus(US:EADSY) Di Yi Cai Jing·2025-11-29 08:53Core Insights - Airbus announced that approximately 6,000 A320 series aircraft require urgent replacement of flight control software affected by solar radiation [1][3] - The issue arose from an incident involving a JetBlue aircraft at the end of October, prompting Airbus to instruct all customers using the software to "immediately cease operations" [1] - The FAA reported that 545 aircraft in the U.S. are affected, with airlines globally grounding or delaying flights due to the software update [1][2] Group 1 - The European Union Aviation Safety Agency (EASA) issued an emergency airworthiness directive requiring updates to the A320 series software [2] - The software issue is related to particle radiation affecting digital chips, causing data corruption [2] - The software replacement involves reverting to a previous version, taking approximately 1-2 hours for most aircraft, while older models may require hardware changes [2] Group 2 - There are approximately 11,300 A320 series aircraft in service globally, meaning over half of the fleet is impacted by the software issue [3] - In China, airlines with Airbus aircraft are conducting urgent checks, leading to delays or cancellations of some flights [4] - The domestic A320 fleet consists of 2,015 aircraft, accounting for 48.3% of the total civil aviation fleet, distributed among 24 airlines [4] Group 3 - Eight airlines, including Spring Airlines and West Air, have 100% of their A320 fleet affected by the software issue [5]