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 RIGHT AFT LAVATORY FLOORBEAM AT STA 1130 WAS FOUND TO EXHIBIT A CORRODED BRACKET. REMOVED CORROSION IAW SRM 51106. MATERIAL CORRODED OUT OF LIMITS. FABRICATED A NEW ANGLE FROM 7075 T6. TREATED AND INSTALLED NEW BRACKET PER 51302 AND 51202.