As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB FROM KTOL GEAR DOOR WARNING LIGHT CAME ON WOULD NOT GO OUT. THE CREW RETURNED TO KTOL, AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED GEAR DOOR AND REPOSITONED WIRING AT DOOR WARNING LIGHT SOCKET OPERATIONAL CHECK WAS GOOD IAW DC8 MAINTENANCE MANUAL 32-10-0. AIRCRAFT WAS RETURNED TO SERVICE.