What was found
MAIN CABIN, RT AFT FLOOR SUPPORT FROM FR67 TO FR70 HAS SURFACE CORROSION FR68, -Y464. BLENDED CORROSION IAW SRM 51-74-00 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-14, FIG 102, L=1" W=1" D=.049". R & R FLOOR SUPPORT IAW SRM 51-42-11 IAW TRM 53-21-01, DWG D53472800.