As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C4 CHECK - LEFT OUTBOARD FLAP HAS A CHAFE ON THE UPPER OUTBOARD SURFACE. LOCATED APPROXIMATELY 11 INCHES FORWARD OF THE TRAILING EDGE ON THE FLAP AND AT THE EDGE. BLENDED OUT CHAFE , INSPECTED, REMAINED WITHIN LIMITS AND NO CRACKS NOTED. RESTORED FINISH TO REPAIR AREA.