As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C1 CHECK - RIGHT OUTBOARD FLAP NR 4 FLAP TRACK LOWER SIDE THERE ARE TWO AREAS OF ROLLER CHAFE DAMAGE WITH PITTING CORROSION IN BETWEEN. MAINTENANCE BLENDED OUT CHAFE AND PITTING CORROSION, INSPECTED, REMAINED WITHIN LIMITS AND NO CRACKS NOTED.