As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C4 CHECK - RIGHT INBOARD FLAP HAS A CHAFE SPOT ON THE UPPER SURFACE APPROXIMATELY 6 INCHES OUT FROM INBOARD END AND 19 INCHES UP FROM THE TRAILING EDGE. BLENDED OUT CHAFE WITH SCOTHBRITE PAD, FOUND TO BE IN LIMITS IAW Q400 SRM 57-51-30 PG 102. INSPECTED IAW Q400 NDTM PT-6 51-00-01, PAINTED IAW Q400 SRM 51-25-05 PG 206 PARA F(1)-(4).