As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FLIGHT LEVEL 330, MACH .75 AND 1.85 EPR, NUMBER TWO ENGINE MADE A LOUD THUMP NOISE AND LOST HALF ITS POWER. THERE WAS A STEADY VIBRATION. PULLED NUMBER TWO ENGINE THROTTLE BACK TO IDLE, ELECTED NOT TO SHUT IT DOWN. COCKPIT INDICATIONS WERE NORMAL EXCEPT FOR LOSS OF EPR. *S/D* BIRD INGESTION AND C-1 BLADE AIRFOIL TIP FAILURE RESULTED IN EXTENSIVE DOWNSTREAM DAMAGE IN BOTH COMPRESSORS.