As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX C4 CHECK LT WING OTBD FLAP IS CHAFFED ON THE UPPER SURFACE BETWEEN STATION YW 209.019 AND 227.019. BLENDED AREA TO SMOOTH CONTOUR TO REMOVE DAMAGE. HFEC IAW -8 400 NDTM PART 6 51-00-01 NO CRACKS NOTED. UT THICKNESS IAW -8 400 NDTM PART 1 51-00-04 MAPPED FOR ENGINEERING. BLEND FOUND WITHIN LIMITS IAW RD 8/4-57-1012. PRIMED AND PAINTED IAW Q400 SRM 51-25-05 PG 216 PAR F-1-4.