As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR EXTENSION, LT MAIN LANDING GEAR REMAINED RED AND LEFT GEAR LIGHT ON UPPER PANEL WAS OFF. DURING GO AROUND, AND LEAVING GEAR DOWN, THE LEFT GREEN LIGHT CAME ON WHEN APPLYING SOME POSITIVE G-FORCE. REMOVED AND REPLACED LEFT MAIN LANDING GEAR DOWLOCK ACTUATOR IAW AMM 32-32-51. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.