As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRP TO IAH - DURING INITIAL CLIMB THE NOSE LANDING GEAR WOULD NOT RETRACT. COMPLETED ALL APPLICABLE CHECKLISTS AND QRH ITEMS, AND DETERMINED TO RETURN TO FIELD AT CRP. LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND SERVICED NOSE LANDING GEAR STRUT, AIRCRAFT WAS FLOWN ON TEST FLIGHT WITH NO PROBLEMS NOTED.