As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 3040 THE CREW REPORTED THE NR 1 AND NR 2 TRANSPONDERS WERE INOPERATIVE IN CRUISE ABOUT HALF AN HOUR OUT OF CLEVELAND. THEY ALSO REPORTED THE NR 2 COMM FAILED. THE AIRCRAFT RETURNED TO CLEVELAND AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED BOTH RCZ'S. OPERATIONAL CHECKS WERE PERFORMED WITH NO DEFECTS FOUND. THE AIRCRAFT WAS RELEASED FOR SERVICE.