As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON TOP OF LAV DRAIN HOUSING IN E/E BAY BS 418 TO BS 440 S-26L TO S-28L. FABRICATED AND INSTALLED DOUBLER 6-12/" BY 9-1/4" FROM 2024-T3 .040", SUPPORT 16" BY 9-3/4" FROM 2024-T3 .050" IAW B757 SRM 51-20-01, B757 DWG 141N631 AND 51-40-02.