What was found
DURING C-13 CHECK DISCOVERED CORROSION ON FLOOR SUPPORT JUST FORWARD OF BS 967, BL 18L, WL 204. MAINTENANCE BLENDED OUT CORROSION JUST FORWARD OF BS 967, BL 18L, WL 204 AND FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-60-51. REMOVED FLOOR SUPPORT JUST FORWARD OF BS 967, BL 18L, WL 204 IAW BOEING 737-300 SRM 51-70-04-0 FIG 1. PREPARED REPLACEMENT FLOOR SUPPORT FOR INSTALLATION IAW BOEING 737-300 SRM 51-40-05-0 FIG 6. INSTALLED REPLACEMENT FLOOR SUPPORT JUST FORWARD OF BS 967, BL 18L, WL 204 IAW BOEING 737-300 SRM 51-70-04-0 FIG 1.