As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED MODIFICATION THE CARGO DOOR LOWER SILL WAS FOUND TO BE CORRODED. MAINTENANCE REMOVED THE CARGO DOOR SILL AND THRESHOLD PLATE. INSTALL A NEW DOOR SILL IAW EMB 135/145 SRM 51-40-02. LEAK CHECKS GOOD IAW EMB 145 AMM 21-31-00. ALL WORK WAS ACCOMPLISHED AND WAS RELEASED UPON COMPLETION OF ALL WORK.