What was found
PDX C4 PRESSURE PANEL 121AL HAS ONE SCREW DRILLED OFF IN UPPER FORWARD CORNER NUT PLATE. REPAIRED IAW DHC-8-200 SRM 51-40-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX C4 PRESSURE PANEL 121AL HAS ONE SCREW DRILLED OFF IN UPPER FORWARD CORNER NUT PLATE. REPAIRED IAW DHC-8-200 SRM 51-40-11.