As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, FLAPS REMAINED AT 5 DEGREES. VISUALLY CONFIRMED FLAPS WERE EXTENDED. FLIGHT RETURNED TO MSP AND LANDED UNEVENTFULLY. MAINTENANCE WAS UNABLE TO DUPLICATE THE PROBLEM ON THE GROUND. FLAP RETRACTION CHECKED GOOD. LUBRICATED THE DOOR ROLLERS ON BOTH SIDES. AIRCRAFT RETURNED TO SERVICE.