Airbus(US:EADSY) Bei Jing Shang Bao·2025-11-29 08:53Core Viewpoint - Airbus A320 series aircraft require urgent maintenance due to strong solar radiation potentially damaging flight control system data, affecting approximately 6,000 aircraft globally [1][3][4]. Group 1: Impact on Airlines - Major airlines such as American Airlines, Jetstar Airways, and Vietnam Airlines have announced maintenance-related disruptions, with some flights being grounded due to the urgent repairs needed for the A320 series [1][4]. - American Airlines expects operational delays due to significant software upgrades required for a large number of A320 aircraft [4]. - Vietnam Airlines confirmed that all its A320 and A321 aircraft have completed the necessary software updates and will operate normally from November 29 onwards [4]. Group 2: Technical Details - Airbus issued an urgent operator communication (AOT) requiring airlines to implement software and/or hardware protective measures to ensure fleet safety [3]. - The majority of affected aircraft will likely resolve issues through software updates, with minimal hardware replacements needed; maintenance for each aircraft is estimated to take around 2 hours [5]. Group 3: Fleet Distribution - As of the end of November, domestic airlines in China operate a total of 2,015 A320 series aircraft, with the A320 CEO model comprising 1,178 units and the A320 NEO model comprising 837 units, representing 48.3% of the total civil aviation fleet [4].