Aircraft was departing 14L and flying over town located on extended CL.
I'm pretty sure MarkMcG's link is the one I was looking for.
...Shortly after United Airlines Flight 835 to Sao Paulo, Brazil, took off, the pilot reported ``a compressor stall, something that caused flames to shoot out from the engine,''
The pilot shut down the engine and flew the Boeing 767 over nearby Lake Michigan and dumped fuel before returning to O'Hare, .... feathers were found in the engine ...
this was the case