What was found
DURING SCHEDULED MAINTENANCE, NR 3 PYLON INBOARD MIDSPAR CHORD WAS FOUND CRACKED ON THE VERTICAL FLANGE. THE AFFECTED SECTION OF CHORD WAS TRIMMED OUT. NDT INSPECTION WAS PERFORMED AT TRIMMED EDGES AND AT AL AFFECTED FASTENERS LOCATION TO ENDURE A CRACK AND DAMAGE FREE CONDITION. A NEW SECTION OF CHORD REPLACEMENT WAS INSTALLED USING REPAIR SPLICE STRIPS AND FILLERS. THE REPAIR ASSEMBLY CONFORMS TO DESIGN REQUIREMENTS. (M)