As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FWD CARGO DOOR TRESHOLD LOCATED AT BETWEEN STA 440 TO STA 492, RBL 24 AND WL 156. REMOVED AND INSTALLED FWD CARGO DOOR THRESHOLD WEB FROM STA 440- STA 492.4 RBL 24 WL 156 IAW B737 SRM 51-40-02-0G AND BOEING DRAWING #143A8330, REV: A.