As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION COMMON TO THE INNER SURFACE OF THE FUSELAGE SKIN AT APPROX. FS574.0 AT STR 27, AROUND THE ANTENNA CUT OUT, (C-CHECK) RO: 10/04/2018 REMOVED CORROSION ON FUSELAGE AT FS574 AT STR27 AROUND ANTENNA CUTOUT IAW REO. OPS CHECK GOOD AT THIS TIME.