What was found
IAH- DURING TAKEOFF THE CREW NOTED THAT THE #1 THRUST REVERSER DISAGREE MESSAGE APPEARED ON THE EICAS, THE CREW ABORTED THE TAKEOFF. IAH- MAINTENANCE RELEASED THE AIRCRAFT IAW MEL. IAH- MAINTENANCE REMOVED AND REPLACED THE #1 THRUST REVERSER, PERFORMED A OPERATIONAL CHECK, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.