As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - ENGINE ANOMALY - CREW REPORTED A MOMENTARY ENGINE STALL ON THE NR 1 ENGINE AT ALTITUDE, WITH ASSOCIATED ECAM MESSAGE. MAINTENANCE INSPECTED AND BORESCOPED IAW AIRBUS TROUBLE SHOOTING MANUAL 71-00-00-810-803. FOUND STAGE 6 BLADE MISSING 50 PERCENT AND NUMEROUS BLADES BENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE IAW AMERICA WEST AIRLINES TASK CARD NR R5M71302. OPERATIONAL CHECKS WERE GOOD.