What was found
MCN - DURING C15 CHECK, DISCOVERED STRINGER TIE CRACKED AT BS 727A, STR 25L IN THE AFT CARGO COMPARTMENT. MAINTENANCE REMOVED CRACKED STRINGER TIE IAW BOEING 737-300 SRM 51-40-02-0G. RECEIVED NEW STRINGER TIE AND INSTALLED AT BS 727A, STR 25L IN THE AFT CARGO COMPARTMENT IAW BOEING 737-300 SRM 51-40-02-0G FIGS 3 AND 8.