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 APPROX AT STA YW 250. AND YW 265. BLENDED AREA TO SMOOTH CONTOUR TO REMOVE DAMAGE. HFEC IAW -8 400 NDTM PT 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK IAW -8 400 NDTM PT 1, 51-00-04. BLEND WITHIN LIMITS PER Q400 SRM 57-52-30 TABLE 1 PG 102. PREPPED AND PAINTED IAW Q400 SRM 51-25-05 PG 206 PARA F-1-4.