As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCP PANEL HAS NO LIGHTS. ACFT GROUNDED. CYCLED POWER TO MCP & ALL LIGHTS RETURNED TO NORMAL. PERFORMED FIM 22-11 TASK 803 ALL TESTS PASSED. PERFORMED DFCS LRU INTERFACE TEST FOR MCP IAW AMM 22-11-34 ALL TESTS PASSED & HGS SYSTEM TEST PASSED IAW AMM 34-36-00.