As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT FLT919 ON CLIMBOUT FROM CLT, CREW RECEIVED A RIGHT MAIN LANDING GEAR RED AND GREEN LIGHT WHEN PLACING THE GEAR HANDLE FROM UP TO OFF. CREW ACCOMPLISHED QUICK REFERENCE HANDBOOK PROCEDURES AND RETURNED TO FIELD AT CLT. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT MAIN LANDING GEAR UPLOCK ACTUATOR PER MM 32-32-41-4. OPERATIONAL CHECK GOOD.