As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER CLIMB OUT, THE CREW RECEIVED A RIGHT HAND PACK OVERHEAT MESSAGE. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK THEN CONTACTED MAINTENANCE CONTROL WHO DIRECTED THEN TO RETURN TO PIT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.