What was found
MCN - DURING C13 CHECK DISCOVERED WEB CRACKED, 2.0 INCHES, AT BS 178, WL 218 AND BL 12R. MAINTENANCE CUTOUT DAMAGED PORTION OF BULKHEAD WEB IAW BOEING 737-300 SRM 53-10-08-2R9. FABRICATED DOUBLER AND FILLER IAW BOEING 737-300 SRM 53-10-08-2R9. INSTALLED FABRICATED REPAIR PARTS AT BS 178, WL 218 AND BL 12R IAW BOEING 737-300 SRM 53-10-08-2R9.