As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK DORSAL FIN FWD RIB ON PANEL 321A AT LEVEL STA 867.0 AT VERTICAL STABILIZER. REMOVED DORSAL FIN FWD RIB ON PANEL 321A IAW 51-40-02 AND PERFORMED VISUAL INSPECTION ON AREA. A NEW RIB INSTALLED DORSAL FIN FWD RIB IAW SRM 51-40-02 AND DWG 174A1008.