As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BNA FLIGHT 2885, THE CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM BNA. THE AIRCRAFT RETURNED TO BNA AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL CHECKS OF THE LANDING GEAR. NO DEFECTS WERE FOUND. THE AIRCRAFT WAS RELEASED FOR SERVICE.