As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-4 CHECK, INSPECTION REPORTED FLOOR/LAVATORY SUPPORT BEAM BETWEEN STA 986.5 AND STA 1006 CORRODED. REMOVED SUPPORT ANGLE AND HAT CHANNEL PER SRM 51-30-02. FOUND CORROSION ON BOTH HAT CHANNEL AND SUPPORT ANGLE OUT OF LIMITS PER SRM 51-30-02. FABRICATED AND INSTALLED REPLACEMENT HAT CHANNEL AND SUPPORT ANGLE PER BOEING DRAWING 65-77457, SRM 51-21-41, 51-30-03 AND SOPM 20-41-02.