As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 697 HIDDEN DAMAGE SECUNDARY NRC. AFTER REMOTION OF WASTE DRAIN VALVE ASSEMBLY CORROSION ON WASTE SERVICE PANEL WAS FOUND. CORRECTIVE ACTION: SUMMARY OF NRC 00569: SUPPORT AND DOUBLER ON WASTE SERVICE PANEL WERE REPLACED PER B757-200 SRM. (0162179)