As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR RED UNSAFE LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED DOWNLOCK SENSOR DISCONNECT P1-1157 AND D1-32 INSIDE CONDUIT. OPERATIONAL CHECK OK ON NUMEROUS GEAR CYCLES. AIRCRAFT RETURNED TO SERVICE.