As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED MAINTENANCE EVENT, MAINTENANCE FOUND THE FLOOR SUPPORT AT FRAME 10 BELOW THE FLOOR AT THE GALLEY CRACKED. THE 1.5 INCH CRACK WAS LOCATED LT OF CENTER ON THE LIGHTNING HOLE. MAINTENANCE PERFORMED FRAME 10 REPAIR IAW SRM 51-71-07 , 53-20-11.