What was found
LEFT WING UPPER SKIN INTERNAL SURFACE CORRODED AT STATION YW 389 TO STATION YW400. UPPER SKIN INTERNAL SURFACE CORROSION REPAIRED AT STATION YW 389 - YW 400 IAW DHC-8 RD 8-57-159. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT WING UPPER SKIN INTERNAL SURFACE CORRODED AT STATION YW 389 TO STATION YW400. UPPER SKIN INTERNAL SURFACE CORROSION REPAIRED AT STATION YW 389 - YW 400 IAW DHC-8 RD 8-57-159. (M)