What was found
PDX - CORROSION AROUND NUT PLATES UNDER MAIN CABIN DOOR SILL. REPAIRED IAW DHC-8 SRM 52-20-11 AND DHC-8 CPM, CHAPTER 5, PAGE 5-1 TO 5-5.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - CORROSION AROUND NUT PLATES UNDER MAIN CABIN DOOR SILL. REPAIRED IAW DHC-8 SRM 52-20-11 AND DHC-8 CPM, CHAPTER 5, PAGE 5-1 TO 5-5.