What was found
PDX: C3. THE OB FLANGE OF STRINGER 31L HAS CORROSION FROM ABOUT STA X47 TO STA X59. MAINTENANCE REPAIRED IAW Q400 SRM 51-21-00, NDTM PART 6, 51-00-01-250-801, RD 8/4-53-1527, SRM 51-42-05 AND HORIZON EA 6-53-708.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX: C3. THE OB FLANGE OF STRINGER 31L HAS CORROSION FROM ABOUT STA X47 TO STA X59. MAINTENANCE REPAIRED IAW Q400 SRM 51-21-00, NDTM PART 6, 51-00-01-250-801, RD 8/4-53-1527, SRM 51-42-05 AND HORIZON EA 6-53-708.