What was found
AT C-CHECK, FWD LOWER CARGO FLOOR SUPPORT ANGLE SHOWS CORROSION LEVEL 1 AND CRACK OF .25 INCH STA 140 ABOUT LONGERON 3L. PERFORMED CORROSION TREATMENT IAW SRM 51-1-8 PG 4, FABRICATED AND INSTALLED DOUBLER IAW SRM 51-1-20 PG 9. REF: N/R 5391.