As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE AIRCRAFT FAILED TO SHIFT INTO FLIGHT MODE. PULLED GROUND SHIFT CIRCUIT BREAKERS TO GET AIRCRAFT TO SHIFT INTO FLIGHT MODE. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. FOUND NOSE STRUT SCHRADER VALVE LEAKING. REPLACED VALVE AND SERVICED NOSE STRUT. OPERATIONAL CHECK GOOD.