As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RIGHT PACK HIGH PRESSURE MESSAGE IN FLIGHT ON CLIMBOUT OF CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED RIGHT PRSOV (PRESSURE REGULATING / SHUTOFF VALVE) AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.