What was found
DURING C3 C-CHECK, INSPECTION NOTED THE VERY AFT NUT PLATE HOLE ON L-2 DOOR SILL AT FRAME 68, JUST AFT OF GIRT BAR FITTING ASSEMBLY, WAS CORRODED. MAINTENANCE CUTOUT DAMAGE, MANUFACTURED REPAIR DOUBLER AND INSTALLED IAW THE REQUIREMENTS OF ENGINEERING AUTHORIZATION A8-53R-30556. UPON COMPLETION OF THE REPAIR, IT WAS INSPECTED AND FOUND ACCEPTABLE. (S)