As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3242 - AFTER DEPARTURE FROM MSP, THE NOSE GEAR FAILED TO RETRACT WHEN THE GEAR WAS SELECTED UP. THE CREW EXTENDED THE GEAR NORMALLY AND THE AIRCRAFT RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE PERSONNEL CLEANED AND LUBRICATED THE NLG ASSEMBLY.