As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE SKIN UNDER DORSAL FIN HAS AREAS OF CORROSION BETWEEN STA. 966.7 AND 1000.57 AND BETWEEN STA. 926.7 AND 947.5 / CORROSION DAMAGE ON FUSELAGE SKIN UNDER DORSAL FIN BETWEEN STA. 966.7 AND 1000.57 AND BETWEEN STA 926.7 AND 947.5 PER ER #17-04788 REV IR AND EA 1-753-31912 REV IR