As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT, JUST PRIOR TO LEVEL OFF AT FL 220 THE NR 2 ENGINE COMPRESSOR STALLED AT FL 210. DURING CRUISE AT 220 IT OCCURRED TWO MORE TIMES. EXECUTED ATB TO PHX FOR REPAIRS. REMOVED AND REPLACED THE VSV ACTUATOR ON THE NR 2 ENG PER R5M75303 POWER ASSURANCE TEST PER F5M71302 LEFT HPC ACTUATOR LINKAGE LUBE PER L5A75301.