What was found
FWA - FLT 3432 - ON TAKEOFF ROLL, CREW NOTED THRUST REVERSER DISAGREE MESSAGE ON EICAS. TAKEOFF WAS ABORTED AND AIRCRAFT RETURND TO GATE. MAINTENANCE FOUND THE NR 2 OUTBOARD STOW SWITCH INOPERATIVE. SWITCH REMOVED AND REPLACED IAW EMB MM. OPERATIONAL CHECK WAS SATISFACTORY, AICRAFT RETURNED TO SERVICE. NOTE: PREVIOUSLY SUBMITTED CLOSED, BUT WAS ON MEL STILL CORRECTIVE ACTION WAS THE STOW MICROSWITCHES WERE ADJUSTED BY ADDING SHIMS TO STRIKER PLATE ASSYS IAW EMB MM. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE. (X)