Xinhua News Agency: The reporter learned from a press conference on the 23rd that a black box of China Eastern Airlines flight MU5735 was found on the 23rd.

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  Xinhua News Agency: Mao Yanfeng, director of the Civil Aviation Accident Investigation Center, said at a press conference on the 23rd that when the plane crashed, the weather on the route was airworthy and there was no dangerous weather.

According to the ground-to-air communication record between the crew and the air traffic control unit, the crew and the air traffic control unit maintained normal communication since the aircraft took off from Kunming until the sudden drop in altitude on the route.

(Reporters Ye Haoming, Zhou Yuan)​​​

  Xinhua News Agency: Sun Shiying, Chairman and Secretary of the Party Committee of China Eastern Airlines Yunnan Co., Ltd., said at a press conference on the 23rd that the crashed aircraft was introduced on June 22, 2015, and the aircraft maintenance has been implemented in strict accordance with the maintenance technical plan, and the technical condition is stable and normal .

Before takeoff, the aircraft complied with maintenance release standards and airworthiness requirements and was released normally.

(Reporters Zhou Yuan and Huang Haoming)​​​

  Xinhua News Agency: Sun Shiying, Chairman and Secretary of the Party Committee of China Eastern Airlines Yunnan Co., Ltd., said at a press conference on the 23rd that the flight licenses and health certificates of the three pilots of the flight are all within the validity period. They are in good health and have complete flight experience. party requirements.

The captain was hired as the captain of the B737 model in January 2018, with a total flight experience of 6,709 hours, a total flight experience of 31,769 hours for the first co-pilot, and a total flight experience for the second co-pilot of 556 hours.

At present, it is understood that the three pilots' usual performance is also very good, and the family situation is relatively harmonious.

(Reporters Ye Haoming and He Wei)