What was found
2S CHECK - LEVEL 2 EXFOLIATION CORROSION ON AFT CARGO THRESHOLD WEB PLATE BETWEEN FR52 TO FR56 & BETWEEN S39R & S40R, Z-1750. REPLACED AFT CARGO THRESHOLD WEB PLATE BETWEEN FR52 TO FR56 & BETWEEN S39R & S40R, Z-1750 IAW SRM 51-72-11 & DWG D53475500.