What was found
WHEN TOGA SELECTED FOR TAKEOFF AUTOTHROTTLE DISCONNECTED WITH ASSOCIATED WARNING LIGHT REATTEMPTED RESET TWO MORE TIMES--ONCE IN CLIMB POWER AND ONCE AT CRUISE WITH SAME RESULT--DISCONNECTED AFTER 2-3 SECONDS. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE IAW FIM 2-31 TASK 801. IN FLIGHT FAULTS SHOW MSG22-31688. ACCOMPLISHED FAULT ISOLATION PROCEDURE, REF FIM 22-32 TASK 819. ALL TORQUE TESTS ARE NORMAL AND GROUND OPS TEST PASS. ACCOMPLISHED AUTOTHROTTLE SYSTEM OPERATIONAL TEST, REF AMM 22-31-00-710-801. ALL GROUND TESTS PASS. NO HISTORY FOR LAST 30 DAYS.