As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A C-CHECK INSPECTION, CORROSION WAS FOUND AT STA 351.2 FORWARD BULKHEAD WEB SHEAR TIE AND ADJACENT AREA. AS THE CORROSION WAS FOUND IN NUMEROUS AREAS, THE BULKHEAD WEB WAS REPLACED. THE REPAIR WAS ACCOMPLISHED WITH THE HELP OF BOEING AIRCRAFT COMPANY. AS THIS IS A CLOSED AREA, THE CORROSION WOULD BE FOUND ONLY AT THE TIME THE LOWER SKIN PANEL WAS REMOVED.