What was found
PASSING FL 200 ON DESCENT 320 KTS, AS THROTTLE ADVANCED NR 1 ENG FLAMED OUT. IMMEDIATE ACTION ITEM COMPLETED & ENG RESTARTED NORMALLY. MX INSPECTED FUEL TANK BOOST PUMP AND OUTPUT PRESSURE, NO EVIDENCE OF FOD, NO DEFECTS. CHECKED FORWARD PUMP OUTPUT, 190 PSI, WITHIN LIMITS. REPLACED NR 1 FCU, LEAK CHECKED GOOD. REPLACED NR 1 FUEL FILTER, NO CONTAMINATION FOUND, LEAK CHECKED GOOD. REPLACED FUEL CONTROL GARLOCK SEAL, LEAK CHECKED GOOD ON ENG RUN. TRIMMED NR 1 ENG PER DC8 MM 71-00-00 DUE TO FCU CHANGE. CHECKED FUEL FEED LINE INTEGRITY FOR NR 1 ENG COMMON TO NR 1 MAIN FUEL CELL, CHECKED NORMAL. REPLACED NR 1 ENG FUEL FLEX LINE, LEAK CHECKED GOOD.