As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AND GEAR RETRACTION THE LEFT GEAR RED UNSAFE LIGHT AND GEAR DOOR OPEN LIGHT REMAINED ON. RECYCLED THE GEAR, NO HELP. FLIGHT RETURNED TO STL. FOUND THE LEFT GEAR DOOR ACTUATOR UPLINK BROKEN. REPLACED THE LINK ASSEMBLY. CHECK-C 4-19-99 MCI.