As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR LOWER SILL HAS CORR AROUND NUT PLATES. ACFT GROUNDED. REMOVED THE CORROSION AND CHECKED LIMITS, FOUND THE SILL WEB TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED THE SILL WEB IAW SRM 51-40-02-0G-0, PARA 5.