As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR SILL WEB IS CORRODED. GROUNDED-YES. REMOVED CORROSION ON SILL WEB AND FOUND TO BE OUT OF LIMITS, IAW 737-700 SRM 53-60-15-1A-1. REPLACED WEB WITH NEW WEB, IAW 737-700 SRM 51-40-02-0G-0 5. AND 51-40-05-0G-0 TABLE A FIG 3, W 2" O .045 R .039 L 3" D .006.