What was found
THE CAPTAIN'S STICK SHAKER ACTIVATED, THE SLAT DISAGREE LIGHT ILLUMINATED, AND SLAT RESET ILLUMINATED DURING TAKEOFF FROM IAH. CONFIRMED SLAT RETRACTION PER CHECKLIST AND THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 STALL WARNING SYSTEM NOT TESTING FROM COCKPIT. THE NR 1 AUTOTHROTTLE COMPUTER WAS REMOVED AND REPLACED. IN ADDITION, THE NR 1 STALL WARNING ANGLE OF ATTACK TRANSDUCER WAS REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. THE FLAP/SLAT SYSTEM WAS OPERATED AND GROUND CHECKS WERE NORMAL. AN AUTOSLAT TEST WAS ALSO PERFORMED WITH NO FAULTS NOTED.