As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT FOUND CORROSION ON FLOOR SUPPORT OUTBOARD OF NUMBER 4 FLOOR PANEL, UNDER A-GALLEY DRAIN PAN. REMOVED DRAIN PAN AND FLOOR SUPPORT. FABRICATED FLOOR SUPPORT FROM STOCK PER SPM 6-70-01. INSTALLED SUPPORT AND DRAIN PAN PER SPM 6-70-01.