What was found
VNAV LIGHT ON FMA SELECT PANEL ON MODE CONTROL PANEL IS BURNED OUT. ACFT GROUNDED. CANNOT DUPLICATE. MCP MODE SLECT LIGHTS OPS NORMAL PER DFCS BITE GROUP 60.50, MCP TESTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VNAV LIGHT ON FMA SELECT PANEL ON MODE CONTROL PANEL IS BURNED OUT. ACFT GROUNDED. CANNOT DUPLICATE. MCP MODE SLECT LIGHTS OPS NORMAL PER DFCS BITE GROUP 60.50, MCP TESTS.