What was found
FLT#788, SXM-JFK. (AIRCRAFT DIVERTED TO FLL) 'UPON CLIMBOUT OF SXM WE FELT A MEDIUM VIBRATION AFTER FLAP RETRACTION. THE VIBRATION CONTINUED ON CLIMBOUT TO ALTITUDE FL 320, THE VIBRATION SEEMED TO DIMINISH IN CRUISE ONCE WE SLOWED THE AIRCRAFT DOWN TO 280 KNOTS INFLIGHT CREW ALSO SAID THEY FELT THE VIBRATION THROUGHOUT THE AIRCRAFT BUT MOSTLY IN THE AFT SECTION OF THE AIRCRAFT THEY STATED THAT THEY DID NOT HAVE THIS VIBRATION WHEN THEY DEPARTED JFK. ALL FLT CONTROLS AND ENGINE GAUGES LOOKED WITHIN NORMAL PARAMETERS ON THE ECAM PAGES.'