As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 2531 - THE CREW REPORTED ENGINE NR 1 HP INDICATION IN YELLOW RANGE AFTER TAKEOFF. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE. OPERATIONAL CHECKS WERE GOOD. SUPPLEMENT TO FOLLOW. (A)