What was found
ON A CAT III AUTOLAND, AFTER NORMAL LANDING, AUTOTHROTTLES MOVED THRUST LEVERS FORWARD. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. DFCS GROUP NR 20, FAULT REVIEW AND A/T FAULT HISTORY SHOWED NO FAULTS. PERFORMED AUTOTHROTTLE SYS OPS TEST IAW MM 22-31-00-710-801 AND AUTOTHROTTLE SYS TEST IAW MM 22-31-00-710-802. ALL TESTS PASS. PERFORMED DFCS GROUP NR 49, LAND VERIFY, TEST IAW MM 22-11-00 AND HGS SYSTEM TEST IAW HGS SMM 34-36-00. ALL TESTS PASS. ACFT REMAINS QUALIFIED FOR CAT IIIA AUTOLAND AND HGS OPS AND STATUS PLACARD REFLECTS SAME.