As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL - FLT 1243 - AFTER TAKEOFF FROM PHL, THE LEFT MAIN LANDING GEAR TRANSIT LIGHT REMAINED ILLUMINATED. CREW CYCLED GEAR AND LIGHT WENT OUT, THEN IT FLICKERED FOR REMAINDER OF FLIGHT. FLIGHT LANDED IN ATL WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT MAIN LANDING GEAR UPLOCK SENSOR PER MM. OPS CHECK GOOD. (M)