As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4A INSPECTION THE RT AFT FUSELAGE SKIN WAS FOUND TO HAVE 1 CRACK AT A RIVET ON FRAME 77 BELOW STRINGER 08R APPROX 2.1MM, .08". MX REMOVED THE DAMAGE AND PERFORMED A BUSHING REPAIR IAW DER APPROVED ETD2013-145-021460, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE ON 07/24/13.