As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION OUT OF LIMITS, IN REF TO NRC 00453: CORROSION ON LOWER SILL LH SIDE UPPER SURFACE STA 732 AT FLOOR STRUCTURE LEVEL IS OUT OF LIMITS PER B757-300 SRM 53-30-15-1A PROCEDURE 1 AD 1. FIG. 101 DETAIL VI SECTION B-B. NEW LOWER SILL LH UPPER SURFACE STA 660 TO STA 760 AT FLOOR STRUCTURE LEVEL WAS REPLACE PER B757-300 SRM 51-40-02-0G PAR 4 B AND 7 D (CORROSION LEVEL #2). (1455336)