As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A ENGINE NR 3 FLAME-OUT AT FL350 APPROXIMATELY 15 MINUTES AFTER LEVEL OFF, CAUSE UNKNOWN. AOM PROCEDURES ACCOMPLISHED AND ENGINE RESTARTED. AS PER MM T/S TREE 71-00-42 PG 219 AND 131 ACCOMPLISHED ALL CORRECTIVE ACTIONS FOR FLAME-OUT. NO DISCREPANCIES NOTED. RAN ENGINES AT PP, ALL ENGINE PARAMETERS CHECK NORMAL.