As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON EXTERNAL FUSELAGE SKIN UNDER ADF NR 1 ANTENNA BS678-BS707 S-1 TO S-2R WL306. REPAIRED CORROSION ON FUSELAGE SKIN UNDER ADF NR 1 ANTENNA AT BS 678 - BS 707 S-1 TO S-2R WL 306, PER ER 20-03231 REV IR ON SWA EA 20-153-01795 REV IR.