As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION BS 1640 RBL 48 EXISTING REPAIR. MAJOR REPAIR ACCOMPLISHED: REMOVED FLOORBOARD T-CHANNEL AT STA 1640 RBL 66 TO LBL-11. FABRICATED NEW T-CHANNEL FROM T7 075-T6 STOCK IAW B757-200 SRM. INSTALLED NEW FABRICATED T-CHANNEL AT STA 1640 RBL 66 TO LBL 11 IAW B757 SRM. TOP COATED T-CHANNEL IAW B757 SRM.