What was found
MC PANEL, F/O'S COURSE DIGITAL READOUT FIRST DIGIT SHOWS SEGMENTS OF OTHER NUMBERS WHEN ON 1 & 3. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED DFCS MODE CONTROL PANEL IAW AMM 22-11-34-400-801, TEST PASSED. ALSO ACCOMPLISHED DFCS LRU REPLACEMENT TEST FOR MCP IAW AMM 22-11-34/501, DFCS LAND VERIFY TEST IAW AMM 22-11-00/201, AND HGS SENSOR TEST FOR FCC/AT IAW SMM 34-36-00. ALL TESTS PASS. ACFT REMAINS CAT IIIA AUTOLAND & HGS, SCREW REFLECTS SAME. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL.