As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 3421 THE CREW REPORTED A NR 1 ENGINE BLEED LEAK WARNING MESSAGE AFTER TAKEOFF. THE AIRCRAFT RETURNED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE BLEED DUCT PRESSURE SENSE LINE. OPERATIONAL CHECKS WERE GOOD.