What was found
RIC - FLT 4940 - DURING TAKEOFF, CREW NOTED E2 THRUST REVERSER DISAGREE MESSAGE ON EICAS. TAKEOFF ABORTED, AIRCRAFT RETURNED TO GATE. PUT ON MEL AT THIS TIME. MAINTENANCE FOUND RIGHT ENGINE THRUST REVERSER LOWER STOW SWITCH STUCK. REMOVED SWITCH, LUBED, AND REINSTALLED IAW EMB MM. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE. (X)