As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCP PANEL BACKLIGHTING MAKES DIFFICULT TO SEE DIGITS, ESPECIALLY ALTITUDE SETTING. ACFT GROUNDED. R & R DFCS MODE CONTROL PANEL IAW AMM 22-11-34. SYS OPS CHECKS NORMAL IAW SAME, GROUND VERIFICATION SUCCESSFUL. DFCS BITE GROUP NR 32 & 49 AND HGS SENSOR TEST IAW AMM 34-36-00 PASS, ACFT REMAINS CAT III AUTOLAND/HGS.