As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV CENTER FLOORBEAM GUSSSET HAS LEVEL 1 CORROSION. BLENDED CORROSION ON LAV FLOORBEAM GUSSET IAW EMB145 SRM 511003. UPON INVESTIGATION LAV CENTER FLOORBEAM GUSSET ORIGINAL THICKNESS SHOWN IN SRM 53-24-10AD SHOWS TO HAVE NOMINAL THICKNESS=.040". REMAINING THICKNESS AT BLENDED AREA ON LAV CENTER FLOORBEAM GUSSET FOUND TO BE WITHIN LIMITS IAW EMB145 SRM 53-24-10AD