What was found
AIRCRAFT IN BASE MAINTENANCE. FOUND CORRODED AREA ON LEFT SILL AT FR 68 AND STR 23L IN AFT GALLEY AREA, MEASURING L=0.542 INCH, W=0.488 INCH, D=0.010 INCH. PERFORMED PERMANENT REPAIR ON LOWER SILL, IAW A319 SRM 51-41-14-300-001 & DWG D53480505.