What was found
AFT CARGO THRESHOLD WEB HAS CORROSION IN AND AROUND NUTPLATE HOLES AT NUMEROUS LOCATIONS. REMOVED SURFACE CORROSION AROUND DISCREPANT NUTPLATE HOLE LOCATIONS PER SRM 51-10-02; FOUND TO BE OUT OF ALLOWABLE LIMITS PER SRM 53-60-12-1A-1. MATERIAL REMOVED .010' AND REMAINING THICKNESS IS .030' THRESHOLD WEB REQUIRED TO BE REPLACED. REMOVED AFT CARGO THRESHOLD WEB PER SRM 51-40-02. LOCATED; DRILLED; AND COUNTERSUNK NEW AFT CARGO THRESHOLD WEB IAW SRM 51-40-05 AND SRM 51-40-08. TREATED AND PRIMED NEW HOLES IAW SRM 51-20-01. LOCATED; DRILLED; AND COUNTERSUNK NEW AFT CARGO THRESHOLD WEB IAW SRM 51-40-05 AND SRM 51-40-08. TREATED AND PRIMED NEW HOLES IAW SRM 51-20-01. INSTALLED NEW AFT CARGO THRESHOLD WEB IAW SRM 51-40-02. INSTALLED NEW AFT CARGO THRESHOLD WEB IAW SRM 51-40-02.