As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 2 ENGINE COMPRESSOR STALLED ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED A PIECE OF CARDBOARD FROM THE INLET AND INSPECTED THE ENGINE. NO DISCREPANCIES WERE NOTED. ENGINE PERFORMANCE RETURNED TO NORMAL.