Quite serious incident...
Incident: British Airways B734 at Genoa on Sep 24th 2012, bird strikes into both engines
By Simon Hradecky, created Tuesday, Sep 25th 2012 09:19Z, last updated Thursday, Sep 27th 2012 19:43Z
A British Airways Boeing 737-400, registration G-DOCL performing flight BA-2689 from Genoa (Italy) to London Gatwick,EN (UK) with 126 passengers, was in the initial climb out of Genoa
when the aircraft flew through a flock of gulls and ingested a number of birds into both engines (CFM56).
The crew shut down one engine in flight, returned to Genoa for a safe landing about 20 minutes after departure and shut the other vibrating engine down immediately after landing.
The flight was cancelled.
http://avherald.com/h?article=4566b0b1&opt=1