What was found
ON MCP, VNAV SWITCH LIGHT - INOP. GROUNDED - YES. REMOVED DFCS MODE CONTROL PANEL (MCP) PER B737-800 AMM 22-11-34-000-801. INSTALLED MCP PER AMM 22-11-34-400-801 ACCOMPLISHED FOLLOWING DFCS TESTS BITE GROUP #49 LAND VERIFY TEST PER AMM 22-11-00-700-801, LRU REPLACEMENT TEST PER AMM 22-11-34-740-801, BITE LIBRARY TESTS 60.16, 60.57, 60.50,.51,.52,.53,.54,.55,.56,.57,.58,.59,.61, AND 60.62. ALSO ACCOMPLISHED AUTOTHROTTLE SYSTEM OPS TEST PER AMM 22-31-00-710-801 ALL TESTS PASSED.