As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED HYDRAULIC SYSTEM NR 3 LOW PRESSURE CAUTION MESSAGE WHILE ON APPROACH TO CLT. CREW LANDED IN CLT WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE 3B HYDRAULIC PUMP OUTLET FITTING LEAKING. MAINTENANCE REMOVED AND REPLACED THE 3B HYDRAULIC PUMP OUTLET FITTING O-RING AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.