As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON CLIMBOUT IN A RIGHT TURN A LOUD POP WAS HEARD AND THE ACFT LURCHED. NR 1 ENGINE N1 AND N2 SPOOLED DOWN AND EGT ROSE TO JUST UNDER 800 DEGREES. PERFORMED EQRH, SEVERE ENGINE DAMAGE CHECKLIST. MAINTENANCE DEPARTMENT PERSONNEL REMOVED AND REPLACED THE 31 ENGINE IAW TASK CARD R0807101. ACFT WAS RETURN TO SERVICE.