As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT LOWER LOBE INTERNAL AREA WASTE TANK SERVICE PANEL BOX TOP AFT I/B RIB HAS EVIDENCE OF SURFACE CORROSION REF N/R 9889039 INSTALLED A NEW PANEL BOX TOP AFT I/B RIB PREVIOUSLY REMOVED SINCE IT HAD EVIDENCE OF CORROSION REF SRM 51-40-02 AND DWG 146N3650.