As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENG FAIL & ASSOCIATED LOUD BANG ON T/O ROLL. ABORTED T/O AT <80KTS A/C ABORTED TAKEOFF @ 80 KTS DUE TO #2 ENG FAILURE AND ASSOCIATED LOUD BANG ON TAKEOFF ROLL. REPORTED ENGINE DEBRIS ON RUNWAY. EMERGENCY EQUIPMENT MET THE AIRCRAFT AND GAVE ALL CLEAR FOR RETURN TO GATE. - UNSCHEDULED ENGINE CHANGE. F2174 SNA-SMF. REMOVED AND REPLACED #2 ENGINE PER MT 771-00-01.