What was found
MCN - DURING C13 CHECK DISCOVERED WEB CRACKED, .50 INCHES, AT BS 178, WL 185 AND BL 17.1R. MAINTENANCE CUTOUT DAMAGED PORTION OF BULKHEAD WEB IAW BOEING 737-300 SRM 53-10-08-2R12. FABRICATED DOUBLER AND FILLER IAW BOEING 737-300 SRM 53-10-08-2R12. INSTALLED FABRICATED REPAIR PARTS BS 178, WL 185 AND BL 17.1R IAW BOEING 737-300 SRM 53-10-08-2R12.