What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION LOWER SILL AT LEVEL STR23L BTW FR66 AND FR68 AT AFT GALLEY AREA MEASURES OF CORROSION ARE L=0.939 IN, W=0.589 IN,D=0.040 IN. MAINTENANCE REPLACED LOWER SILL LH SIDE BTW FR66 TO FR68 AND STR 23L AFT GALLEY AREA IAW A319 SRM 51-42-11-801, A319 SRM 51-72-11-911-001, DWG D53480505 AND DWG D53474250.