As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT STR 29L/KEEL BEAM CHORD CORRODED BETWEEN STA 950D - 950E REMOVED CORROSION, FABRICATED REPAIR STRAP, SPOT FACED KEEL BEAM AROUND FASTENER HOLES. FABRICATED FILLER WASHER AND INSTALLED REPAIR PARTS. REF FED EX STANDARD REWORK DRAWING, LT AND RT KEEL BEAM FLANGE CORROSION, DWG NR SR27-53-023.