As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL310, THE NR 1 ENGINE SURGED SEVERAL TIMES THEN FLAMED OUT. CREW DECLARED AN EMERGENCY AND STARTED DESCENT INTO CLT. OIL QUANTITY NR 1 ENGINE LOW. FLEW ON NR 2 ENGINE FOR APPROX 20 MINUTES. FLIGHT LANDED WITHOUT INCIDENT AND TAXIED TO GATE UNDER OWN POWER. MX R & R THE NR 1 ENGINE IAW JOB CARD 03L50671001. MX ACTION PENDING UNTIL SPECIFIC PART CAUSING DIFFICULTY IS DETERMINED.