As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 9316 FLL/FPO AFTER TAKEOFF LEFT MAIN LANDING GEAR DID NOT RETRACT, GEAR HANDLE ILLUMINATED RED. WHEN LANDING GEAR DOWN THREE GREEN GEAR HANDLE INDICATED SAFE. RETURNED TO FLL LANDED WITHOUT INCIDENT. RE-SECURED CONNECTOR P200 AT LANDING GEAR HANDLE. OPERATIONAL CHECK OK.