As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SIGNS OF POSSIBLE CORROSION ON 2 EACH FITTING FOR FILLING AND OVERFLOW LINE AT FLOOR BOARD IN AFT LAV APPROX FRAME STA 60. EWIS INSTALLED. CORROSION ON GUSSET-BEAD HAT FOUND TO BE OUT OF LIMITS. REMOVED RH AFT PRESSURE. REMOVED DAMAGED GUSSET. DRILLED NEW GUSSET. INSTALLED NEW GUSSET.