As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPLICATION OF TAKEOFF POWER, THE NR 2 ENGINE COMPRESSOR STALLED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. ENGINE WAS BOROSCOPED WITH NO DEFECTS NOTED. DURING MAINTENANCE RUN THE ENGINE COMPRESSOR STALLED AGAIN AND WAS REMOVED. EXACT PART CAUSING PROBLEM TO BE DETERMINED.