As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN DURING REPLACEMENT OF FLOORBEAM FOUND CORROSION ON UNDERSIDE OF CREASE BEAM WEB AT BS 377 TO 395 LT. R & R WITH CREASEBEAM, FABRICATED IAW DWG 141N8322 SHEET 1, REV K AND INSTALLED IAW SRM 51-40-02, REV 105 AND DWG 141N8322 SHT 1, REV K. REPAIR IS CLASSIFIED AS MAJOR.