As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-11 CHECK A CRACK WAS FOUND AROUND FASTENER HOLE OF CABIN FLOOR SUPPORT ANGLE BETWEEN BS 500D AND BS 500E AT BL "0". MAINTENANCE REMOVED DAMAGE ON CABIN FLOOR SUPPORT ANGLE BETWEEN BS 500D AND BS 500E AT BL "0"; FABRICATED 3 EACH REPAIR ANGLES; AND INSTALLED REPAIR PARTS IAW B737-300 SRM 53-30-51, PG. 103, AND SRM 51-30-01, PG. 12.