A Jetblue Airbus A320-200, registration N709JB performing flight B6-1146 from Fort Lauderdale,FL to Richmond,VA (USA) with 77 passengers and 5 crew, was climbing out of Fort Lauderdale's runway 10R when the crew could not retract the landing gear. The aircraft levelled off at 12000 feet, burned off fuel and landed safely back on Fort Lauderdale's runway 10L about 60 minutes after departure.
A replacement A320-200 registration N535JB reached Richmond with a delay of 2 hours.
The occurrence aircraft returned to service about 17.5 hours after landing.