What was found
PAE - FLT 3851 - DURING SCHEDULED C-4 MAINTENANCE CHECK, FOUND CORROSION ON TOP SURFACE OF RAIL STA 6877 TO STA 7177 Y+500-2240. FABRICATED AND INSTALLED REPAIR PER SRM 53-00-14, FIGURE 204. AIRCRAFT TT, 15,138 HOURS. AIRCRAFT TC, 7,863. (X)