Click to view full size photo at Airliners.net
Contact photographer Jim Groom
What: Thomas Cook Boeing 757-200 en route from Turin to Birmingham International
Where: Turin
When: Feb 21 2010
Who: 231 passengers
Why: While en route, the plane developed a fuel leak, substantial enough for passengers to see it pouring out of a wing. Although the captain announced a possible bird strike, a fuel leak had been detected in the plane in an earlier flight. The flight had to turn back, and circled Turin for half an hour before making an applause-filled landing.
The fuel leak was judged to be a bad valve, which was replaced prior to being ferried back to Birmingham.
One wonders if the ferry flight was actually the incident involved here:
https://airflightdisaster.com/?p=8707
THY Turkish Airlines flight TK-1722 had to return and make an emergency landing at Berlin Tegel Airport, Berlin, Germany, on September 12th.
Surinam Airways flight PY-993 had to return and make an emergency landing in Amsterdam, Netherlands, on April 19th.
Ryanair flight FR-2150 had to return and make an emergency landing in Alicante, Spain, on April 8th.