As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS 1540 AT BL 0 AFT BULK CARGO COMPARTMENT INTERNAL FUSELAGE SKIN CORRODED AT DRAIN VALVE (N-R 4175N00498). MAJOR REPAIR ACCOMPLISHED. CUT OUT DAMAGE, FABBED AND INSTALLED DOUBLER AND FILLER AND PART MARKED PER SRM AND GNMM 1-01-007 ON NR 4175N00498.