What was found
SAL - S5 - MAJOR REPAIR - CORROSION ON NR 1 SLAT TRACK ATTACHMENT BOLTS 3 EACH AT AFT UPPER, FORWARD UPPER, & FORWARD LOWER POSITIONS OF NR 1 SLAT LEFT WING. REPLACED NR 1 SLAT TRACK ATTACHMENT BOLTS 3 EACH AT AFT UPPER, FORWARD UPPER, & FORWARD LOWER POSITIONS OF NR 1 SLAT LEFT WING IAW A320 AMM 27-84-63.