As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED HYDRAULIC LOW PRESSURE AMBER MESSAGE FOLLOWED BY WOW INPUT AMBER MESSAGE DURING CLIMBOUT OF TYS. WHEN GEAR SELECTED UP, CREW RECEIVED RED GEAR DISAGREE MESSAGE. AFTER ABOUT 10 SECONDS, MESSAGES WENT AWAY. CREW CONTINUED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND AIR IN NUMBER 3 HYDRAULIC SYSTEM. MAINTENANCE BLED AND RE-SERVICED NUMBER 3 HYDRAULIC SYSTEM AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.