A passenger jet with nearly 140 people aboard quickly returned to Orlando International Airport late Wednesday after a possible mechanical problem, airport spokeswoman Carolyn Fennell said.
There were no injuries.
more here: http://www.sun-sentinel.com/news/local/florida/orl-mcfbriefs29_407mar29,0,7121807.story?coll=sfla-news-florida
and the relevant archive recording is here:http://archive-server.liveatc.net/kmco/KMCO-Mar-29-2007-0130Z.mp3
Interesting conversation between plane and tower starts at about 23:45 in, pilot talks about hydraulic fluid loss and his concern that it has spilt onto his brakes.
FlightAware flight path is here: http://flightaware.com/live/flight/COA793/history/20070329/0120Z/KMCO/KEWR