As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT-BOS - FLT 1962 - AFTER TAKEOFF AND GEAR RETRACTION, CREW RECEIVED LEFT MLG DOOR UNSAFE LIGHT. CREW FOLLOWED CHECKLIST. FLIGHT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT GEAR DOOR FOLLOW-UP SYSTEM DRIVE ROD AND THE LEFT MAIN GEAR DOOR. (M)