As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK A .375 INCH CRACK WAS FOUND ON FR 68 TO FLOORBEAM Y1792 LT CONNECTING SECTION. MAINTENANCE REMOVED CRACKED FLOORBEAM TO FRAME CONNECTING SECTION; FABRICATED A NEW REPLACEMENT CONNECTING SECTION PER DWG 17D53471087; INSTALLED REPAIR PART IAW A320 SRM 51-72-11.