As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FLAMED OUT WHILE CLIMBING THROUGH FL 370. RELIGHTED ENGINE AT APPROXIMATELY FL 280 DESCENDING FROM FL 310. CONTINUED TO SVMI WITHOUT FURTHER INCIDENT. ALL INDICATIONS NORMAL. PERFORMED NR 1 ENGINE INSPECTION IAW CFM MM CHAPTER 71-00-0. NO DEFECTS NOTED ON GROUND RUN. NR 1 ENGINE CHECK NORMAL. (M)