According to reports, today a Sichuan Airlines flight with flight number 3U8906 was originally scheduled to fly from Fuzhou Changle Airport to Chengdu Shuangliu Airport.The flight was diverted to Guangzhou Baiyun Airport, which had previously issued emergency code 7700.It is reported that the "7700 code" indicates an emergency situation, such as mechanical failure or sudden illness of a person on board.

In this regard, Sichuan Airlines has responded immediately:This afternoon, flight 3U8906 experienced an aircraft bleed failure in the air. The crew handled it normally according to the procedures. The flight landed safely at Guangzhou Baiyun International Airport at 14:15. The company has arranged to change the aircraft for subsequent flights. Passengers rested and waited in the terminal.We apologize for the inconvenience caused to passengers and thank netizens for their attention.

According to the Changzhun App, flight 3U8906 was operated by an Airbus A321-231 aircraft with an age of 9.7 years.

The Airbus A321 is the largest member of the A320 family. Compared with the A320, the fuselage is 6.94 meters longer, the wings are 4.27 meters longer in front, and the rear wings are 2.67 meters longer.

The emergency exit above the wing was moved to the extended section of the fuselage, thereby adding two emergency exits. In addition, an air conditioning system, a pressurization system, and a cargo hold fire extinguishing system were added.