As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION AND NOISE COMING FROM NOSE GEAR AREA AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LEFT AND RIGHT FORWARD NOSE GEAR DOORS DAMAGED. REMOVED, REPAIRED AND REINSTALLED DOORS. OPERATIONAL CHECK NORMAL.