A Jetblue Airbus A320-200, flight B6-33 from Rochester,NY to New York JFK,NY (USA) with 147 passengers and 5 crew, was climbing out of Rochester just having switched to departure, when they reported they needed to return to Rochester because of an engine problem. The crew levelled off at 3000 feet, requested an extended downwind and reported, that they had severe vibrations after takeoff during flaps retraction supposedly being an engine vibration but had no idea which engine.
Aviation Herald:
http://avherald.com/h?article=423d18b6
