What was found
PDX - C4 THERE IS CORROSION AT THE SCREW HOLES ON THE FUSELAGE FOR THE LOWER TCAS ANTENNA. REPAIRED IAW CHD-8-200 SRM 51-20-16.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - C4 THERE IS CORROSION AT THE SCREW HOLES ON THE FUSELAGE FOR THE LOWER TCAS ANTENNA. REPAIRED IAW CHD-8-200 SRM 51-20-16.