What was found
MCN - MAJOR REPAIR - DURING C16 CHECK DISCOVERED CRACKED, .2 INCHES IN LENGTH, STRINGER TIE AT BS 727B, STR 26L. MAINTENANCE REMOVED STRINGER TIE AT BS 727B, STR 26L IAW BOEING 737-300 SRM 51-40-02-0. PREPARED REPLACEMENT STRINGER TIE FOR INSTALLATION IAW BOEING 737-300 SRM 51-40-02-0. INSTALLED REPAIR PARTS AT BS 727B, STR 26L IAW BOEING 737-300 SRM 51-40-02-0 FIG 12.