As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRP - THE CREW REPORTED THAT DURING TAKEOFF THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO CRP WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT (LGEU), OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.