What was found
SHIP 6821 ON SVC CHK, DAMAGE FOUND FWD OF LT WING SCAN LIGHT. ONE GOUGE, AT STA 625 BETWEEN 16L AND 17L. CORRECTIVE ACTION: PERFORMED HFEC OF DAMAGE AREA PER NDT MANUAL PART 6 51-00-01. NO DEFECTS NOTED. REMOVED DAMAGE AREA AND PREPPED FOR HFEC PER B757 SRM. PERFORMED HFEC PER PART 6 51-00-19. NO ISSUES NOTED. INSTALLED ZONE A, CAT B PERM DOUBLER PER B757 SRM. (8479482)