As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3310, CORROSION AT NUT PLATE HOLES ON EACH SIDE OF SUPPORT STRUCTURE FOR AFT GALLEY CENTER FLOORBOARD. LOCATED AT FRAME C76, 14 INCHES OUTBOARD OF CENTER L/H AND R/H AND 10 INCHES FWD ON EACH SIDE OF FLOORBOARD. CORRECTIVE ACTION: REPLACED L/H AND R/H FLOORBOARD SUPPORT BEAMS FROM C75 TO C78 REF A330 SRM 51-41-15. LP 2495111