What was found
PDX- UPPER FLANGE OF REAR WING SPAR IS CHAFED AND POSSIBLE FRETTING CORROSION. REPAIRED IAW DHC-8 SRM 51-20-11 AND RD 8-57-1434.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- UPPER FLANGE OF REAR WING SPAR IS CHAFED AND POSSIBLE FRETTING CORROSION. REPAIRED IAW DHC-8 SRM 51-20-11 AND RD 8-57-1434.