As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED C-1 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND THE FS257.0E UNDERFLOOR BULKHEAD WEB CRACKED AND WITH ELONGATED HOLE(S), RBL38-50, WL130-145. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SRM, CH. 51-60 & 51-70. NR# 2790.