As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN STATION 1020 - 1040 LT CREASE BEAM WEB FOUND CORROSION. CORROSION REMOVED IAW SRM 51-10-02 REV 113 & FOUND MATERIAL LOSS OF MORE THAN 50%. CREASE BEAM WEB FABRICATED IAW DWG 144N5140 SHT 4 REV A. CREASE BEAM R & R BY FABRICATED PART IAW DWG 4N5140 SHT 4 REV A. REPAIR CLASSIFIED AS MAJOR.