As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM CVG RECEIVED LT BLEED DUCT WARNING MSG, WARNING MSG CLEARED AND WAS REPLACED BY BLEED CAUTION MSG. ACFT RETURNED BACK TO CVG AND LANDED SAFELY. INSPECTED ACFT, SUSPECT LT ENG PYLON DUCT V-BAND COUPLING LEAKING. REMOVED AND REPLACED LT ENG PYLON BLEED DUCT V-BAND COUPLING. (S)