As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT: Z100 STR FS 1240 RBL 22 TO RBL 30 FWD FLANGE OF LOWER TEE CHORD HAS SEVERE INTERGRANULAR CORROSION. INSTALLED T-CHORD AN ANGLES ON STR FS 1240 RBL IAW B757-200 SRM 51-40-02 AND SRM 51-70-12-0G-0 DETAIL VIII FIGURE 1 SHEET 7. REVIEWED