As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE, ANTI-SKID, AND PARKING BREAK SHUT OFF VALVE MESSAGES AFTER TAKE OFF. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED THE MAIN LANDING GEAR SELECTOR VALVE. PERFORMED CHECKS IAW THE AMM. THE AIRCRAFT WAS RELEASED FOR SERVICE.