As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RIB IN THE LT HORIZONTAL IS CRACKING AT SS 80.60 THE RIB CRACKS AT THE LAST RIVET AFT OF THE WHERE THE LATERAL STRINGER RUNS THROUGH THE RIB. THIS IS THE SECOND ONE THAT HAS CRACKED. THIS RIB CRACKED ON THE TOP AND BOTTOM OF THE RIB ALONG WITH THE UPPER SKIN BEING CRACKED. IF YOU CONTACT ME I CAN EMAIL PICTURES TO GO ALONG WITH THIS.