As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C1 CHECK - NUTPLATE AND MOUNTING SURFACE AT STA X599.00 Y21.00 LT IS CORRODED. MAINTENANCE REMOVED NUTPLATE AND REMOVED CORROSION. INSPECTED BLENDED AREA, WITHIN LIMITS AND NO CRACKS NOTED. APPLIED ALODINE, PRIMER, AND PAINT. INSTALLED NEW NUTPLATE.