As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE FOUND LEVEL 2 CORROSION AT AFT LAVATORY AFT INBOARD AND OUTBOARD TOILET ATTACHMENTS ON LAVATORY FLOOR. MAINTENANCE FABRICATED AND INSTALLED 4EA. AFT LAVATORY FLOOR DOUBLERS REF. EMBRAER DRAWINGS 170-43684-001 AND 170-43685-001 AND EMB SRM 51-40-02, AMM 20-10-01. APPLIED ALODINE AND PRIMER TO 4EA. AFT LAVATORY FLOOR DOUBLERS REF. EMB SRM 51-23-04,51-23-05. AIRCRAFT REMAINS IN HEAVY CHECK FOR DURATION OF THE CHECK.