What was found
MCN - DURING C22 CHECK DISCOVERED WEB CRACKED, 3.0 INCHES, FROM BS 616 TO BS 639 AT STR 17R, CREASE BEAM 5-17 RT. MAINTENANCE REMOVED AND INSTALLED REPLACEMENT WEB FROM BS 616 TO BS 639 AT STR 17R, CREASE BEAM 5-17 RT IAW BOEING 737-300 SRM 51-10-02-0G FIG 8 AND 51-40-02-0G FIG 4.