As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD. PIT, INTERSECTION OF BS 500I BULKHEAD. AND FLOOR ATTACH ANGLES AT STR. 21R HAS CORROSION. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02 ORIGINAL THICKNESS .071 IAW DWG 143A9485 REV. F 100 PERCENT MATERIAL LOSS, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. R & R WITH NEW ANGLES IAW SRM 51-40-02 AND BAC DWG 143A9481, REV:B.