As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED RECIEVEING AN ENGINE SENSOR FAILURE FAULT FOLLOWED BY A COMPRESSOR STALL ECAM MESSGAGE ON THE NR 1 ENGINE DURING CLIMB. THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. AIRCRAFT WAS GROUNDED. MAINTENACE REPLACED THE NR 1 EEC IAW AMM 73-22-34 AND REPLACED THE 2.5 MASTER BLEED ACTUATOR IAW AMM 75-31-42. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED IAW AMM 71-00-71.