What was found
PDX - C4 CORROSION ON AFT LOWER PASSENGER DOOR FRAME. JUST FORWARD OF FRAME 253.4. REPAIRED IAW DHC-8-200 SRM 51-20-11, 2C (3), PAGE 7.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - C4 CORROSION ON AFT LOWER PASSENGER DOOR FRAME. JUST FORWARD OF FRAME 253.4. REPAIRED IAW DHC-8-200 SRM 51-20-11, 2C (3), PAGE 7.