What was found
DURING C-3 CHECK, INSPECTION REPORTED FLOORBEAM IB OF L2 DOOR HAD MULTIPLE AREAS OF CORROSION LOCATED AROUND NUTPLATE HOLES. REMOVED CORROSION AND DETERMINED TO BE OUT OF LIMITS IAW SRM 53-00-14, FIG. 102. DAMAGE LOCATED 6.5 INCH AFT OF FRAME 67 ON THE STUB BEAM, AND 18 INCH AFT OF FRAME 67 ON THE UPPER IB SPLICE COUPLING. FABRICATED REPAIR PARTS AND REPAIRED DAMAGED AREA IAW SRM'S 51-42-11 AND 53-00-14, AND EA NR A9-53R-11653.