What was found
AIRCRAFT IN BASE MAINTENANCE. FOUND CORROSION ON LOWER SILL LOCATED ON FR 68 AT LEVEL STR 23L AT AFT GALLEY AREA, MEASURING L=2.015 INCHES W=0.648 INCHES D=0.046 INCHES. PERFORMED PERMANENT REPAIR ON LOWER SILL, IAW SRM A319 53-41-14-300-001 PRINCIPLE 7.