What was found
DURING 4A INSPECTION THE LT AFT FUSELAGE SKIN WAS FOUND TO HAVE 3 CRACKS AT A RIVET ON FRAME 79, BELOW STRINGER 06L, TOTALING APPROX 6.02MM (.23"). 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 07/24/2013.