What was found
CREW REPORTED A RIGHT BLEED DUCT RED MASTER WARNING MESSAGE, ALONG WITH A RIGHT BLEED YELLOW CAUTION MESSAGE, WHILE CLIMBING THROUGH 5,000 FEET AFTER DEPARTURE FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND INSPECTED THE AIRCRAFT, FOUND A LEAK AT THE DUCT ATTACHING TO THE RIGHT PRECOOLER, RE-ADJUSTED THE COUPLING AROUND THE DUCT AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.