What was found
AIRCRAFT IN BASE MAINTENANCE: AFTER CENTER FITTING REMOVAL, FOUND CORROSION AROUND OF HOLE ON LOWER SILL BTW FR67 AND FR68 AT LEVEL STR23 RH AFT GALLEY AREA. THE MEASURES OF CORROSION AROUND OF HOLE IS L=0.875 IN, W=0.297 IN, D=0.018 IN. MAINTENANCE REPLACED LOWER SILL LOCATED BTW FR66 AND FR68 AT LEVEL STR 23RH AFT GALLEY AREA I.A.W A319 SRM 51-42-11-801 AND DRAWING D53480505, D53480076 AND D53474250.