What was found
CAPTAIN`S COURSE WINDOW SHOWS ALL EIGHTS ON MAIN CONTROL PANEL. ACFT GROUNDED. DUPLICATED. REPLACED MAIN CONTROL PANEL IAW MM 22-11-34, GROUND VERIFICATION, OPS CHECKED NORMAL. ALSO ACCOMP DFCS, LRU, MCP, NR 32 TEST, LAND VERIFY NR 49 TEST, & HGS SENSOR FCC/AT TEST. ALL TEST NORMAL, REF MM22-11-34, 22-11-00, & SMM34-36-00. ACFT REMAINS CAT III A AUTOLAND & HGS QUAL, STATUS SCREW SHOW SAME.