As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MAINTENANCE CHECK, THE LEFT AFT LAVATORY AT FLOORBEAM STA 1166 HAD ELONGATED HOLE IN THE LAVATORY FLOOR STRUCTURE. REMOVED DAMAGED AREA IAW SRM 51402. FABRICATED DOUBLER IAW SRM 51402 FROM 7075 T6 .063. TREATED, PRIMED AND INSTALLED REPAIR DOUBLER IAW SRM 51102 AND MM 51202.