As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION CHECK WAS FOUND A CORROSION ON RT INBOARD FLAP EXTERIOR SURFACE, BETWEEN STA XW3-XW92 (VIEW LOOKING UP). RT WING INBOARD FLAP SKIN WAS REMOVED AND REPLACED IAW DOUGLAS DRAWING 5642960. RIVETS WERE INSTALLED IAW DC8 SRM 51-1-21 PAGE 1 TO 7.