As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAT - TAKEOFF WARNING CAME ON AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE CLEANED CONNECTION ON LANDING GEAR RELAY BOX, P/N 120011R. PERFORMED MULTIPLE LANDING GEAR SWINGS. SYSTEMS OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)