What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON UPPER SPLICE O/B SIDE ON LOWER SILL AT LEVEL FRAME 66LH SIDE, MEASURES OF CORROSION ARE L=0.365 INCH, W=0.344 INCH, D=0.001 INCH. MAINTENANCE REPLACED UPPER SPLICE O/B SIDE ON LOWER SILL AT LEVEL FRAME 66LH AND STRG 23L SIDE IAW A319 SRM 51-72-11-911-001, A319 SRM 51-42-11-801 AND DWG-E53474250.