What was found
AUTO THROTTLE FAIL AUTO PILOT WILL NOT MODE CONTROL HOT TO TOUCH INTERVIEWED CREW. AUTOPILOT KICKED OFF & MODE CONTROL PANEL WAS VERY HOT TO TOUCH. BURNED 1ST OFFICER'S THUMB. ALSO NOTED FAINT BURNING ODOR WHEN ENTERING COCKPIT. REPLACED MODE CONTROL PANEL. BUT NEW UNIT BAD FROM STOCK. UNIT WILL NOT POWER UP. AIRPLANE IS PARTIALLY DISASSEMBLED. DASH LAYING LOOSE AND OLD MCP IN THE COCKPIT. INSTALLED ANOTHER MCP, INSTALLATION TEST CHKD GOOD. IAW AMM 22-11-34-740-801. PERFORMED LAND VERIFY GROUND TEST, TESTED GOOD. ACFT MAINTAINS FULL CAT STATUS IAW AMM 22-11-00-700-801.