What was found
DURING INSPECTION, FOUND CORROSION ON LOWER SILL AT FWD GALLEY AREA FROM FRAME 16 TO FRAME 20 ON STRINGER 23L, L=0.500", W=0.200", D=0.001". REPLACED LOWER SILL AT FWD GALLEY AREA FROM FRAME 16 TO FRAME 20 ON STRINGER 23L IAW SRM 51-72-11 AND DWG D53110339.