As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3430, A/C DEPARTED MSP AND RT MLG INDICATED UNSAFE GEAR. CREW DECLARED AN EMERGENCY AND RETURNED TO MSP WITHOUT FURTHER INCIDENTS. AIR TURNBACK TO MSP. MAINTENANCE ADJUSTED RT MAIN GEAR DOOR IAW 32-10-21, DID MULTIPLE GEAR SWINGS, OPS CHECKS AND RIG CHECKS GOOD.