As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- THE TOP EDGE OF THE BOTTOM SKIN PANEL ON THE RUDDER COVE HAS A TEMPORARY REPAIR STRIP INSTALLED ON THE INTERIOR BY THE GUSTLOCK HOUSING. THE STRUCTURE IS WORKING AND PRODUCING ALUMINUM OXIDE BUILDUP. REPAIRED IAW FOKKER SRM 51-31-01.