As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLL - FLT 44 - DURING CLIMB AT APPROX 1,000 FEET FLAPS SET, ACFT EXPERIENCED VIBRATION WHICH INCREASED WITH AIRSPEED. FLIGHT RETURNED TO FLL WHERE LANDING WAS WITHOUT INCIDENT. MAINTENANCE FERRIED ACFT TO CLT. TIGHTENED ROLLERS ON BOTH I/B ENDS AND ON BOTH I/B FOREFLAP TOGGLES. CYCLED FLAPS, NO FURTHER DEFECTS NOTED ON TEST. (W)