What was found
FWD PIT STA 440 TO STA 500I LT FLOOR SUPPORT Z ANGLE UPPER SURFACE CORRODED AT LBL 24 AND W/L 157. REMOVED CORROSION ON FWD PIT STA 440 TO 500I LT FLOOR SUPPORT Z-ANGLE LBL 24, IAW B737 SRM 51-10-02-0G-0 ITEM 15. ORIGINAL 'T' .040, REMAINING .028, LOSS .012' DEEPEST AREA. FOUND TO BE OUT OF LIMITS, IAW B737 SRM 53-00-53-1A-2 FIG 103. STA 500B TO 440 FOUND WITHIN LIMITS. CUT OUT DAMAGE SECTION AT BETWEEN STA 500C-500B AND REMOVED, IAW B737 SRM 53-00-53-2R-5 REPAIR 5. FABRICATED REPAIR Z-ANGLE AND INSTALLED AT STA 500I TO 500C LBL 24, IAW B737 SRM 53-00-53-2R-5 REPAIR 5 P/N 143A7501-231.