What was found
AFT CARGO COMPT FLOOR SUPPORT AT Y 0 FR 56, TOP FLANGE CORRODED. FOUND ON REMOVAL OF ROLLER TRAY. REMOVED CORROSION IAW SRM 51-74-10, CHECKED LIMITS IAW SRM 53-10-15, FIG 105, FOUND TO BE OUT OF LIMITS. REMOVED FLOOR SUPPORT IAW SRM 53-10-15, INSTALLED REPAIR IAW SRM 51-40-21 AND REPAIRED FLOOR SUPPORT AT FR 56 Y 0 IAW SRM 53-10-15, REPAIR CLASSIFIED AS MAJOR.