As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 2814, LT MAIN GEAR DOWN LOCKED GREEN LIGHT REMAINED ILLUMINATED AFTER GEAR HANDLE SELECTED UP AND GEAR INTRANSIT LIGHT EXTINGUISHED. AIR RETURN TO MEM. MAINTENANCE REPLACED HARNESS ASSEMBLY DOWNLOCK ACTUATOR P/N AIR 130902 IAW AMM 32-60-05. AFTER GEAR SWINGS CHECK GOOD.