As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT FROM DTW, RECEIVED 'AIR R WING LEAK' MESSAGE. ACCOMPLISHED COCKPIT OPERATING MANUAL PROCEDURES AND RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND PNEUMATIC DUCT LEAKING FORWARD OF RIGHT PACK FLOW CONTROL VALVE. TIGHTENED CLAMP. LEAK CHECK OK.