What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FWD CARGO JUST AFT OF FR24 STR43R CORRODED WITH POSSIBLE CRACK. REMOVED CORROSION IN FWD CARGO FR24 STR43 RT MAT 100% LOSS OUT OF LIMIT IAW SRM 53-21-1+ SPLICE3 PG 1-12, CUT OUT STRINGER FAB SPLICE + STRINGER (NEW) IAW SRM 53-21-13, SRM 51-44-11 & INSTALLED NEW STRINGER & SPLICE IAW SRM 53-21-13-300-004 PG 6 FG 9 SRI REQUIRE.