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 VARIOUS STAGES OF CORROSION ON AFT GALLEY/LAVATORY FLOOR BEAMS. REMOVED CORROSION ON FLOOR BEAM AT BS 986.5 PER SRM 53-60-51. CORROSION REMOVAL AT LBL 28 TO LBL 44 WAS OUT OF LIMITS AND REPAIRED PER SRM 53-00-51, FIG. 203.