As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C15 CHECK DISCOVERED 178 BULKHEAD WEB CRACED, 1 INCH, AT WL 212 AND BL 7L. MAINTENANCE REMOVED DAMAGED AREA AND MADE INSURANCE CUT OUT IAW BOEING 737-300 SRM 53-10-08-2R10. FABRICATED DOUBLER AND FILLERS IAW BOEING 737-30 SRM 53-10-08-2R10. INSTALLED FABRICATED REPAIR PARTS AT BS 178, WL 212 AND BL 7L IAW BOEING 737-300 SRM 53-10-08-2R10.