As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE EXPERIENCED COMPRESSOR STALL. READINGS DROPPED AFTER A/C REACHED ALTITUDE. THE 7TH STAGE COMPRESSOR BLADE FAILED AT THE ROOT AND DAMAGED THE HPC, CAUSING THE ENGINE TO SURGE. T HE BLADE FAILURE WAS CAUSED BY THE VANE ARM ON THE 6TH STAGE VSV BEING BROKEN AT THE 6 O'CLOCK POSITION. THE ENGINE WAS REMOVED AND OVERHAULED.