What was found
DURING C18 CHECK DISCOVERED STRINGER TIE CRACKED, .200 INCHES IN LENGTH, AT BS 312, STR 28R. MAINTENANCE REMOVED STRINGER TIE AT BS 312, STR 28R, IAW BOEING 737-300 SRM 51-40-02. INSTALLED NEW STRINGER TIE AT BS 312, STR 28R IAW BOEING 737-300 SRM 51-40-02-0.