As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION, NOSE GEAR WOULD NOT RETRACT, GEAR RETRACTION HORN SOUNDED. C/W QRH LANDED IN MSP AT 42000. MEL`D GEAR RET SYS FUNCTION TESTED GEAR SYS. PERFORMED GEAR DISAGREE TEST, FULLY SERVICED NLG STRUT.. PERFORMED LANDING GEAR EXT/RETRACT FUNCTION TEST NUMEROUS TIMES, NO FAULTS NOTED. REMOVED FROM MEL. (K)