As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T366/24MAY - RETURNED ORD DUE TO CREW REPORTING LOUD BANG DURING CLIMB AND RIGHT ENGINE GAS TEMPERATURE OVER 800C. LANDED ORD WITHOUT INCIDENT. SINGLE ENGINE TIME 13 MINUTES. REPLACED NUMBER TWO ENGINE ON 24 MAY AT ORD DUE TO COMPRESSOR BLADE FAILURE. SYSTEM GROUND CHECKED NORMAL OPERATION.