As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MODE CONTROL PANEL AMBIENT LIGHT SENSOR WILL NOT DIM MCP DISPLAY. ACFT GROUNDED. REPLACED MODE CONTROL PANEL. ALL OPS NORMAL AMM 22-11-34. ACCOMPLISHED DFCS LRU INTERFACE TEST FOR MCP, BITE GROUP NR 32, LAND VERIFY TEST, BITE GROUP 49, AND HGS SENSOR TEST FOR FCC/AT, REF AMM 34-36-00. ALL TEST PASS. ACFT REMAINS CAT III A AUTOLAND AND HGS QUALIFIED.