As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT LOWER END OF WASTE WATER SERVICING BOX BETWEEN PAN AND FUSELAGE SKIN. LT FUSELAGE BETWEEN FRAMES 12 AND 12A. R & R SKIN STIFFENER AT WASTE WATER SERVICING BOX CUTOUT INTERIOR FR12-12A STR36L TO STR43L IAW SRM 51-72-10, PGS 1-3.