What was found
PDX - RIGHT-HAND AFT OVERWING EMERGENCY EXIT UPPER TORSION BOX TOP FLANGE HAS DOUBLE DRILLED RIVET HOLE. REPAIRED IAW HORIZON AIR EA 4-53-655.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - RIGHT-HAND AFT OVERWING EMERGENCY EXIT UPPER TORSION BOX TOP FLANGE HAS DOUBLE DRILLED RIVET HOLE. REPAIRED IAW HORIZON AIR EA 4-53-655.