What was found
PDX C4 - RIGHT HAND WING FORWARD SPAR HAS TOOL MARKS (GOUGES) AT YW178.000. REPAIRED IAW HORIZON AIR EA 2-57-356.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX C4 - RIGHT HAND WING FORWARD SPAR HAS TOOL MARKS (GOUGES) AT YW178.000. REPAIRED IAW HORIZON AIR EA 2-57-356.