Airbus(US:EADSY) Guan Cha Zhe Wang·2025-12-01 08:29Core Points - Airbus announced that approximately 6,000 A320 aircraft globally were affected by a software issue, with most already modified to ensure safe operation [1][3] - The company is collaborating with airline customers to support the modification of the remaining fewer than 100 aircraft [1] - The incident was triggered by a deep analysis of an accident involving JetBlue Airways on October 30, where strong solar radiation potentially damaged critical data in the flight control system [3] Summary by Sections Aircraft Modification and Operations - As of November 30, 2025, all A320 series aircraft in China's civil aviation fleet have completed necessary preventive measures as per regulatory and Airbus requirements [2] - All operational A320 series flights are running smoothly and normally [2] Incident Background - The A320 series aircraft, introduced in 1984, is a major competitor to Boeing's 737 MAX, with demand increasing due to economic growth in Asia [3] - 24 Chinese airlines operate 2,015 A320 aircraft, accounting for nearly 50% of the total civil aviation fleet in the country [3] Technical Explanation - The core issue was identified as being influenced by single-event upsets (SEU) due to increased solar activity, which has intensified the impact on high-tech systems [4] - High-energy particles in space can flip the state of semiconductor components, potentially leading to system malfunctions, although these errors are not permanent [4]