As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, THE VERTICAL STABILIZER FITTING AT FRAME 75 BETWEEN STRINGERS 2R-2L WAS FOUND TO HAVE FRETTING CORROSION. MAINTENANCE REMOVED THE CORROSION AND REPAIRED THE FITTING IAW EC5330-02931. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.