As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C-CHECK THE LT AFT UPPER SKIN WAS FOUND TO BE CRACKED AROUND A RIVET AT FRAME 78 AND STRINGERS 5L-6L. MAINTENANCE REAMED OUT THE CRACKED AREA AND PERFORMED A DOUBLER REPAIR IAW EMB 145XR SRM 53-23-01. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.