What: Sol Lineas Aereas Saab 340A en route from Rosario,SF to Buenos Aires, Argentina
Where: Rosario
When: Nov 2nd 2011
Who: 30 passengers and 3 crew
Why: On takeoff from Rosario, the left engine had to be shut down. The engine had developed an oil leak through a conduit washer which had to be replaced.
The flight returned to the airport and made a safe landing fifteen minutes later.

JetBlue flight B6-1675 made an emergency landing in Fort Lauderdale, Florida, on February 13th.
Scandinavian Airlines flight SK-1758 had to return and make an emergency landing in Gdansk, Poland, on June 20th.