As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK 15 TO 20 SECONDS AFTER TAKEOFF NR 1 ENGINE ECAM MESSAGE ENGINE NR 1 COMPRESSOR VANE. AT TOGA NR 1 ENGINE 635 TO 638. REDUCED TO CLIMB POWER AND TEMPERATURE REDUCED TO 600 TO 618. ECAM CLEARED. WARNING RETURNED AT LANDING. REMOVED AND REPLACED NR 1 ENGINE VSV ACTUATOR, ALL TESTS NORMAL.