As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ON CLIMBOUT A GEAR DISAGREE WARNING, WOW INPUT CAUTION AND PROXY SYSTEM FAIL MESSAGES. CREW FOLLOWED THE QRH, RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, THEN REMOVED AND REPLACED A FAULTY PROXIMITY SENSOR ELECTRONIC UNIT (PSEU) IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL 32-61-00-400-801. OPERATIONAL CHECKS WERE PERFORMED. AIRCRAFT RELEASED FOR SERVICE.