As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, THE LEFT AFT SKIN WAS FOUND TO BE CRACKED AROUND 3 FASTENERS AT FRAME 77 BETWEEN STRINGERS 4-5L. MAINTENANCE REMOVED THE CRACKS AND PERFORMED A BUSHING REPAIR IAW EC5330-02825. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.