What was found
DURING CHECK-C MAINT FOUND CABIN FLOOR SUPPORT CORRODED AT STA 180 TO 200, RBL 6 INCHES. REMOVED AND REPLACED PART PER SPM 6-70-01. MADE NEW FLOOR SUPPORT PER DRAWING 9936534-73. INSTALLED USING HARDWARE PER SRM 51-30-1, PAGES 11, 12, AND 13.