As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, THE RT AFT SKIN WAS FOUND TO BE CRACKED AROUND FASTENERS BETWEEN FRAMES 77-80 AND STRINGERS 3-7R. MAINTENANCE REMOVED THE CRACKS BY REAMING AND PERFORMED BUSHING REPAIRS IAW EC5330-02840. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.