What was found
SJC - GROUND DAMAGE - FLT 548 - "C" - WHILE AT GATE, ECAM DOOR PAGE DISPLAYED LEFT OVER WING EMERGENCY ESCAPE SLIDE NOT ARMED; MAINTENANCE WAS CALLED AND ALSO VERIFIED LEFT OVER WING EXIT LIGHT WAS NOT ILLUMINATED. WHILE ATTEMPTING TO RESET THE L/H OVER WING EXIT DOOR ARMING LATCH PIN THE SLIDE WAS INADVERTENTLY DEPLOYED DAMAGING THE AERODYNAMIC SEAL AT L/H WING TO BODY FAIRING. AIRCRAFT WAS MAINTENANCE FERRIED BACK TO PHX WHERE BOTH THE DAMAGED SEAL AND L/H OVER WING EXIT SLIDE WERE REPLACED. SLIDE REPLACED IAW T/C R1A25301.