As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0482838) CORROSION ON FORWARD CARGO BAY ZEE CHANNEL STA 500A-STA 500L STR 25R WL 159. REMOVED AND INSTALLED NEW LOCATED AND DRILLED ZEE CHANNEL. FABRICATED FROM BAC 1496-444. STA 500A TO STA 500L STR 25R WL 159. I.A.W. DWG# 143A7505 REV- AND B737-900 SRM 53-00-53-2R-6.