As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLT 2556 THE CREW REPORTED A BLEED 1 LEAK MESSAGE IN CLIMB. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE BLEED LINE GAMMA JOINT O-RINGS AT LEFT UPPER DUCT IN CARGO BAY. OPERATIONAL CHECKS WERE GOOD.