As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN STATION 1140 - 1160, LT CREASE BEAM WEB FOUND CORROSION. CREASE BEAM REMOVED AS PER SRM 51-10-02 REV 116. ORIGINAL THICKNESS 0.063" REMAINING THICKNESS 0.054". FOUND OUT OF 10% LIMIT AS PER SRM 53-40-13 ALLOWABLE DAMAGE 1 REV 116. CREASE BEAM WEB REMOVED AS PER SRM 51-40-02 REB 116. NEW CREASE WEB INSTALLED AS PER BOEING DRAWING 144N5200 SHT 02 REV B. REPAIR CLASSIFIED AS MAJOR.