As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C1 CHECK - X534 AND STRINGER 31R SUSPECT CORROSION AT SKIN CLIP. MAINTENANCE REMOVED RIVETS AND BLENDED OUT CORROSION AT CLIP, REMAINED WITHIN LIMITS AND INSPECTED, NO CRACKS NOTED. INSTALLED NEW RIVETS AND RESTORED FINISH TO REPAIR AREA.