United Airlines flight UA-125 made an emergency landing in Athens, Greece, on September 30th.
The Boeing 767-300 plane took off for Newark, New Jersey, but had to return shortly afterwards after the passengers noticed fluid leaking from the left hand wing.
The plane landed safely. All 209 passengers and 11 crew members remained unhurt.

Air Transat flight TS-436 had to return and make an emergency landing in Montreal, Quebec, Canada, on March 18th.
American Airlines flight AA-2666 had to return and make an emergency landing in Boston, Massachusetts, on November 24th.
Scandinavian Airlines flight SK-7402 had to divert and make an emergency landing in Stavanger, Norway, on March 11th.