As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4A INSPECTION THE LT AFT FUSELAGE SKIN WAS FOUND TO HAVE THREE CRACKS EMINATING FROM A SINGLE RIVET NEAR FR 78 STRINGERS 4L & 5L. MX REMOVED THE DAMAGED SECTION OF SKIN AND PERFORMED A FILLER/DOUBLER REPAIR IAW ENGINEERING CHANGE AND REPAIR AUTHORIZATION 5330-02501, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE ON 05/14/13.