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 FROM BS 1380 TO BS 1440 HAS CORROSION IN NUMEROUS AREAS. CORROSION FOUND EXCEED B757-200 SRM 51-10-02 ALLOWABLE LIMITS. REMOVED AND REPLACED LOWER SILL PANEL IAW B757-200 SRM 51-10-02 AND SRM 51-40-02 REV 93. REPAIR IS CLASSIFIED AS MINOR PER GMM 6-2-100 CRITERIA.