What was found
AIRCRAFT WAS GROUNDED: WHILE TAXIING FOR TAKEOFF WITH AUTO THROTTLES ARMED BOTH THRUST LEVERS BEGAN TO MOVE TOWARDS FULL THROTTLE AS IF TOGA HAD BEEN SELECTED. THROTTLES WERE MANUALLY DISCONNECTED. AFTER SUBSEQUENT REARMING AUTO THROTTLES FAILED AND DISCONNECTED AUTOMATICALLY. MAINTENANCEN REPLACED (REF 0140005) FCC A IAW AMM 22-11-33. FOUND INCORRECT FCC OPS ON FCC A. CROSS LOADED FCC OPS PN 2270-C0L-AC2-22 FROM FCC B TO A IAW AMM 22-11-33-470-824.