As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER FUSELAGE SKIN AROUND THE FASTENERS UNDER DORSAL FIN BS927 - BS1016 S-3L TO S-3R. REPAIRED DAMAGE ON UPPER FUSELAGE SKIN AROUND THE FASTENERS UNDER DORSAL FIN BS927-1016; STR3L-STR3R PER ER 20-02610 REV IR AND EA #20-153-00684 REV IR.