As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3837, FWD CARGO DOOR THRESHOLD WEB HAS MULTIPLE SPOTS OF LEVEL 2 CORROSION. CORRECTIVE ACTION: CORROSION ON FWD CARGO DOOR THRESHOLD WEB IS FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-30-15-1A-1 PARA 4. REMOVED AND REPLACED FWD CARGO DOOR THRESHOLD WEB IAW B737 SRM 51-40-02-, B737 SRM 51-40-05 AND BOEING DWG# 143A8330. (LP 0356874)