What was found
INSPECTION TYPE-N/A AT FL 310, SET UP SUCTION FEED OFF OF NR 4 ALT TANK FUEL PRESSURE WAS INTIALLY AT 30 PSI THEN PRESSURE FLUCTUATED FROM 30 PSI TO 0 PSI. FUEL PRESSURE STAYED AT 0 PSI AND THEN NR 4 ENG FLAMED OUT. ENGINE RESTARTED, OTHER INDICATIONS NORMAL. RAN NR 4 ENG PER MM 71-00-00 AND CHK'D FOR LEAKS AND OPS CK ENGINE DRIVER PUMP PER 73-10-01. SYS TEST NORMAL WITHIN PARAMETER.