United Airlines flight UA-828 had to return and make an emergency landing in Guam, on November 27th.
The Boeing 777-200 plane took off for Narita International Airport, Japan, but had to turn back after the crew noticed an engine problem.
The plane landed uneventfully. All passengers and crew members remained safe.

PAL Philippine Airlines flight PR-212 had to return and make an emergency landing at Sydney Airport, Australia, on April 23rd.
Air Canada Rouge flight RV-1722 had to reject takeoff from Vancouver, Canada, on December 19th.