As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCP PANEL DOES NOT ILLUMINATE. GROUNDED - YES. ACCOMPLISHED CYCLE OF MCP CB'S REF B737-800 AMM 20-60-05, MCP RESTORED. ACCOMPLISHED DFCS BITE REF B737-800 FIM 22-11 TASK 801 NO CURRENT FAULTS, ACCOMPLISHED MCP TEST REF AMM 22-11-34 ALL TESTS PASSED.