Aeroflot Airlines flight SU-2391 had to return and make an emergency landing in Zurich, Switzerland, on February 26th.
The Airbus A321-200 plane took off for Moscow, Russia, but had to return shortly afterwards after the crew reported an engine stall.
The plane landed safely after burning off excess fuel. All passengers and crew members remained unharmed.
American Airlines flight AA-740 had to return and make an emergency landing in Philadelphia, Pennsylvania, on December 15th.
The Airbus A330-200 plane took off for Madrid, Spain, but had to return shortly afterwards after the crew reported that a panel door was open.
The plane landed safely. Everyone aboard remained unharmed.
United Airlines flight 401 had to make an emergency landing at Los Angeles International Airport, California, on January 11.
The Airbus A319, travelling from Denver, Colorado, declared emergency due to a suspected mechanical problem.
The plane landed uneventfully and all 120 passengers aboard remained unharmed.
The nature of mechanical problem is not clear at the moment.
A British Airways Airbus A319-100 was en route from London to Oslo when it developed an engine problem.
Passengers heard a loud explosion, and saw smoke from the right engine. Apparently the engine doors blew off.
During takeoff, the casing of the left engine ‘came away’ and the right engine exploded when the plane made a quick return, landing in London.
Good thing that Emergency services were on standby to extinguish the engine fire.
Passengers and crew made an emergency evacuation via emergency slides.
None of the 5 crew and 75 passengers were injured.
The ABC News video below suggests a birdstrike that is purely speculative
Aer Lingus flight EI-131 had to return and make an emergency landing in Dublin, Ireland, on November 4th.
The Boeing 757-200 plane took off for Hartford, Connecticut, but had to turn back due to an electrical problem.
The plane landed safely. All one hundred and thirty-seven passengers and six crew members remained unharmed.
Delta Airlines flight DL-1780 made a safe emergency landing at Fairbanks International Airport, Alaska, on June 27th.
The Boeing 737-800, flying from Seattle, Washington, was about to land when it encountered turbulence.
The plane landed safely.
One of the flight attendants sustained injuries.