China Eastern Airlines MU5735 Aircraft Flight Accident Notification

China Eastern Airlines MU5735 Aircraft Flight Accident Notification
On March 21, 2022, the Boeing 737-800 passenger aircraft (registration number B-1791) of China Eastern Airlines Yunnan Co., Ltd. executed a domestic scheduled passenger flight from MU5735 Kunming Changshui Airport to Guangzhou Baiyun Airport. At 13:16, the plane took off from Kunming Changshui Airport, and after 64 minutes, it deviated from the cruise altitude of 8900 meters and quickly descended, crashing near Molang Village, Langnan Town, Teng County, Wuzhou City, Guangxi Zhuang Autonomous Region. All 123 passengers and 9 crew members on board were killed.
The Civil Aviation Administration of China, in accordance with the relevant provisions of the Civil Aviation Regulations of China on the Technical Investigation of Civil Aircraft Incidents (CCAR-395) and Annex 13 to the Convention on International Civil Aviation on the Investigation of Aircraft Accidents and Accident Symptoms, has conducted in-depth, detailed, and rigorous technical investigations of the accident together with relevant departments. Over the past year, the technical investigation team has conducted a detailed inspection of aircraft debris to determine the possible working conditions of key control components of the aircraft before crashing, and conducted experiments on more than 100 important pieces of debris to analyze the causes of damage; Investigate the qualifications and capabilities of crew members, flight operations, aircraft airworthiness maintenance, and airline organization and management; Conduct investigations on air traffic control services, airport ground support, security and loading of passengers, luggage, cargo and mail, and the carriage of dangerous goods; Analyze the flight status of the aircraft in the final stage based on relevant data, and conduct simulation verification using flight simulators and real aircraft.
Up to now, the technical investigation team has carried out a lot of work such as on-site investigation, data inspection, personnel interviews, and experimental analysis. However, due to the complexity and rarity of this accident, the investigation is still ongoing. Subsequently, the technical investigation team will continue to carry out cause analysis and experimental verification based on previous work, and timely release relevant information based on the progress of the investigation.