一航班起飞后遭遇鸟击，南航通报

Group 1 - The core point of the article is that China Southern Airlines reported an incident involving flight CZ3554, which encountered a bird strike shortly after takeoff from Shanghai Hongqiao to Shenzhen, leading to a safe return to the departure airport [1] - The airline followed strict procedures to handle the situation and ensured passenger safety as a top priority, expressing apologies for any inconvenience caused [1] - A contingency plan was activated promptly, and another aircraft was dispatched to continue the flight, demonstrating the company's commitment to customer service [1]