What was found
DURING C-CHECK, LOWER FWD CARGO COMPT FR 37L & STR 45 HAS CORROSION ON STRINGER UNDER FLOOR AT BELLY SKIN. REMOVED CORROSION AT FWD CARGO FR 37L AND STR 45L IAW SRM 51-40-11. FOUND TO BE OUT OF LIMITS IAW A-300 SRM 53-10-10 PG 618. CUT OUT DAMAGE AREA IN LOWER FWD CARGO COMP FR 37L & STR 45 IAW A-300 SRM 53-10-10. INSPECTED NDT HFEC IAW A-300 NDT MANUAL 51-31-05, STRINGER CUT OUT AT STR 45, FR 37L, NO CRACK INDICATIONS NOTED. FABRICATED REPAIR PARTS IAW A-300 SRM 53-10-10. TREAT AND PRIMED PARTS AND AREA IAW A-300 SRM 51-40-12. OK TO INSTALL REPAIR PART IAW A-300 SRM 53-10-10. INSTALLED REPAIR LOWER FWD CARGO COMP FR 37L AND STR 45 IAW A-300 SRM 53-10-10. TOUCH UP FUS PAINT PER A-300 SRM 51-40-12.