What was found
AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF DURING TAXIING THE AUTO SLAT FAIL LIGHT TURNED ON. AT PLATFORM, THE TECHNICAL PERSONNEL PERFORMED A TEST TO THE SYSTEM GETTING THE SAME RESULTS WITH FAIL CODE IN BOTH COMPUTERS. AIRPLANE WAS SENT TO THE HANGAR AND DURING OVERNIGHT SERVICE BOTH AUTO SLAT ACTUATORS WERE REPLACED IN ACCORDANCE WITH MM 27-80-08. ADDITIONALLY S1-467 SWITCH AND ATTACK ANGLE WERE REPLACED IN ACCORDANCE WITH MM 27-80-07 AND 34-19-01, TESTS WERE PERFORMED IN ACCORDANCE WITH MM 27-80-08 AND 34-19-00, ALL CORRECT.