What was found
DURING C-04 CHECK 1 INCH SCATTERED SPOTS OF CORROSION WERE FOUND ON UPPER SURFACE OF FLOORBEAM BS 294, FROM RBL 28 TO RBL 54. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; CUTOUT DAMAGED SECTION OF FLOORBEAM AT BS 294, RBL 28 TO RBL 54; FABRICATED 6 EACH REPAIR ANGLES; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-70-12, FIG. 1, PG. 5.