As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT: 5402 FLL/FLL AFTER TAKEOFF LANDING GEAR DID NOT RETRACT ON FIRST ATTEMPT RECYCLED HANDLE THEN THE GEAR RETRACTED. RETURNED TO FLL LANDED WITHOUT INCIDENT. REPLACED LANDING GEAR HANDLE SWITCH ASSEMBLY. LANDING GEAR OPERATIONAL, CHECK NORMAL. TEST FLIGHT SATISFACTORY.