What was found
PDX- LEFT WING FRONT SPAR, LOWER SURFACE HAS FRETTING CORROSION AT STATION YW 48-82. REPAIRED IAW DHC-8 RD8-57-811 AND RD8-57-1150.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- LEFT WING FRONT SPAR, LOWER SURFACE HAS FRETTING CORROSION AT STATION YW 48-82. REPAIRED IAW DHC-8 RD8-57-811 AND RD8-57-1150.