What was found
DURING 4A, INSPECTION THE LT AFT FUSELAGE SKIN WAS FOUND TO BE CRACKED 2.81MM LONG AT A RIVET ON FRAME 79, 1 RIVET BELOW STRINGER 6L. MAINTENANCE REMOVED THE DAMAGE AND PERFORMED A BUSHING REPAIR IAW DER APPROVED ETD2014-145-035517, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.