As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR CUTOUT LOWER SILL FWD SIDE PLATE HAS CORROSION IN MULTIPLE LOCATIONS. GROUNDED - YES. AFT CARGO DOOR FWD SHIELD HAD CORROSION THAT WAS FOUND TO BE BEYOND ALLOWABLE DAMAGE IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED WITH NEW SHIELD IAW SRM 51-40-02-0G-0.W= 2" O= .050" R= .041" L= 3" D= .009".