As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENGINE 2 STALL INDICATION AT CRUISE ECAM WITH A 3 TO 4 SECOND POWER DECREASE HOWEVER NO AUDIBLE BANG WAS HEARD. MAINTENANCE ACCOMPLISHED INSPECTION OF THE ENGINE AND FOUND EXTENSIVE DAMAGE TO THE 3RD AND 8TH STAGE HPC BLADES. REPLACED #2 ENGINE PER TASK CARD 26L40071001.