What was found
PDIS: ON ROTATION FOR TAKEOFF BOTH STICK SHAKERS ACTIVATED AND REMAINED ON WITH NORMAL AIRCRAFT INDICATIONS, NORMAL FEEL, AIRSPEED INDICATORS ALL THE SAME & NORMAL. FLAPS RETRACTED NORMALLY. SLATS LEFT EXTENDED. CAPTAIN AND F/O STICK SHAKER CB'S PULLED. RETURNED FOR NORMAL LANDING. FOUND NR 1 AOA PROBE VERY STIFF, DIFFICULT TO ROTATE BY HAND. REMOVED AND REPLACED AUTO PITCH TRIM COMPUTER. REMOVED AND REPLACED BOTH LT AND RT ANGLE OF ATTACK SENSORS PER MM 22-33-01-2. PERFORMED SELF TEST OF BOTH NR 1 AND NR 2 AT/SC COMPUTERS PER MM 22-33-01-2 CHECK OK. RETURNED TO SERVICE.