As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO EQUIPMENT BAY INNER STRUCTURE STA 996 BETWEEN STR 24L AND 25L AT WATER DRAIN HAS SIGNS OF CORROSION. / EVALUATED CORROSION FOUND TO BE OUT OF LIMITS DUE TO NO PUBLISHED SRM LIMITS. REMOVED AND REPLACED -18 FITTING PER SRM 51-40-02-0G-0 AND DWG 147A7443 REV B