As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT-CMH - FLT 933 - AFTER TAKEOFF AND LANDING GEAR RETRACTION THE LEFT GEAR GREEN LIGHT REMAINED ILLUMINATED. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT LANDING GEAR GREEN LIGHT INDICATION SOCKET. (M)