As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE CREW NOTED THAT THE LANDING GEAR AURAL WARNING WAS SOUNDING AFTER GEAR RETRACTION. THE CREW RETURNED THE AIRCRAFT TO CLL, DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE PROX SWITCHES AND RERACKED THE AWU. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.