As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 180 - WHILE CLIMBING THROUGH 23,000 FT THE FLIGHT CREW FELT 6 TO 12 STRONG JOLTS AND RECEIVED ECAM MESSAGES "NUMBER 1 ENGINE FAIL" THEN "NUMBER ONE ENGINE STALL". THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO MCI FOR MAINTENANCE. COMPLIED WITH (DFDR) DIGITAL FLIGHT DATA RECORDER DOWNLOAD PER A6A31301. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE. VENDOR REPORTED STAGE 6 COMPRESSOR BLADE FAILURE.