As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O`S COURSE WINDOW IS BLANK. CRS DOES APPEAR ON THE NAV DATA DISPLAY AND WORKS NORMALLY. ACFT GROUNDED. REPLACED AND TESTED DFCS MODE CONTROL PANEL REF. MM22-11-34. OPS NORMAL. PERFORMED REQUIRED LWMP TESTS DFCS BITE TEST GROUP NR 32, DFCS LRU INTERFACE TEST FOR MCP, REF MM22-11-34/501, DFCS BITE TEST GROUP NR 49, LAND VERIFY, REF. MM22-11-00/201 AND HGS SENSOR TEST FOR FCC/AT REF SMM34-36-00. ALL TESTS PASSED. ACFT REMAINS QUALIFIED FOR CAT IIIA AUTOLAND AND HGS OPS AND STATUS PLACARD REFLECTS SAME.