As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON KEEL BEAM LATERAL WEB ON BOTTOM SURFACE AROUND FASTENERS AND CENTER DRAIN HOLE AT BS 868 LBL-4 TO RBL-4. RG-001. PERFORMED PERMANENT REPAIR ON KEEL BEAM LATERAL WEB BOTTOM SURFACE AROUND FASTENERS AND CENTER DRAIN HOLE. PER AA EA370040.