Hainan Airlines flight HU-7923 had to return and make an emergency landing in Changsa, China, on November 14th.
The Boeing 787-800 plane took off for Los Angeles, California, but had to return shortly afterwards after the crew reported an issue with the slats.
The plane landed safely after burning off excess fuel. All passengers and crew members remained unhurt.

Wizz Air flight W6-4263 had to divert and make an emergency landing in Zagreb, Croatia, on September 15th.
PSA Airlines flight AA-5390 had to return for an emergency landing in Dayton, Ohio, on March 23rd.
Norwegian Air Shuttle flight DY-1933 made an emergency landing in Shiraz, Iran, on December 14th.