As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER RETRACTION. FLIGHT RETURNED TO MSP, LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SHEARED RIVETS ON LEFT MAIN GEAR DOOR LATCH MECHANISM AND BROKEN DOOR SEQUENCE CABLE, OPERATIONAL CHECK NORMAL.