As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, RECEIVER 'AIR L WING LEAK' MESSAGE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND DIVERTED TO MEM DUE TO ICING CONDITIONS AT ORIGINAL DESTINATION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REINSTALLED CLAMP ON EXTERNAL AIR DUCT. OPS AND LEAK CHECK OK.