What was found
FORWARD CABIN FLOOR SUPPORT, Y189 BETWEEN FRAMES 20-22, UPPER SURFACE FLANGE CORRODED. REMOVED CORROSION IAW SRM 51-74-00. FOUND TO BE OUT OF LIMITS IAW SRM 53-11-17. REMOVED FLOOR SUPPORT IAW SRM 51-42-11 & INSTALLED NEW FLOOR SUPPORT IAW SRM 51-42-11 AND TRM 53-21-01.