As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT 35.0 NR 4 ENGINE FLAMED OUT. PERFORMED ENGINE FLAMEOUT PROCEDURE AND ENGINE START CHECKLIST WITH A SUCCESSFUL ENGINE START. ALL FURTHER INDICATIONS AND PARAMETERS WERE NORMAL. PERFORMED 71-00 FAULT 51 PG 101-104 CFM56. REPLACED ENGINE DRIVEN BOOST PUMP PER MM 73-10-01 PG 201-206. SYSTEM OPS CHECK AND LEAK CHECKS OK P/N OFF/ON 64-1119-4 S/N OFF FB74919 S/N ON FB69547.