As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENGINE WAS INSPECTED FOR CUSTOMER WHO REPORTED 'SURGE DURING CRUISE', AND C6, 7 AND 13 STAGE BLADE DAMAGE. DISASSEMBLY FINDINGS REVEALED 2 EACH LIBERATED C6 BLADES AND EXTENSIVE DAMAGE TO HPC. THE FAILED BLADES ARE UNDER INVESTIGATION AT GREENWICH-TEXAS.