What was found
MCN - MAJOR REPAIR - DURING C-13 CHECK A .125 INCH CRACK WAS FOUND ON PRESSURE WEB AT BS 665, LBL 30, WL 203. MAINTENANCE CUT OUT CRACKED SECTION OF WEB AT BS 665, LBL 30, WL 203; FABRICATED A FILLER AND DOUBLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-60-51 FIG 203, SHT 1, 2, 3 & 5.