As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDW - ABORTED TAKEOFF, TAXIED BACK TO GATE. THE NR 2 ENGINE FAILED AND SOME DEBRIS WERE NOTED ON THE RUNWAY. THE NR 3 AND NR 4 TURBINE BLADES FAILED FOR UNKNOWN REASON. ENGINE WAS REPLACED AND TESTED OK. AIRCRAFT RETURNED TO SERVICE. CONTAINED DAMAGE, LIMITED DAMAGE THRUST REV. (M)