As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE HAD SEVERAL ENGINE AUDIBLE COMPRESSOR STALLS ON THE RT ENG RPM FLUCTUATED 5 TO 6 PERCENT SEVERAL TIMES, THEN SETTLED AT NORMAL SETTING. BORESCOPED 12TH AND 13TH STAGE HPC PER FIM. FOUND 20, 12TH HPC BLADES WITH DAMAGE AND 21, 13TH STAGE BLADES DAMAGED OUT OF LIMITS PER M/M 72-00-00-6. ENG CHANGE IN PROGRESS.