As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH 2912 BTV TO PHL. THE CAPTAIN RETURNED TO THE FIELD FOR A GEAR DISAGREE MESSAGE WITH NO GEAR RETRACTION. ON CALL MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND IT OK TO FERRY. THE AIRCRAFT FERRIED TO PHL WHERE MAINTENANCE REPLACED THE NWS SELECTOR VALVE.