What was found
DURING CRUISE FLIGHT AT FL360, AUTOPILOT A DISCONNECTED. AIRCRAFT WAS IN PERFECT TRIM. WEATHER WAS CLEAR AND SMOOTH WITH A LEFT CROSS WIND OF 130KTS. ACFT GROUNDED. WHILE ACCOMPLISHING DFCS BITE, FOUND FAULT MESSAGE 22-1167 & MESSAGE 22-11627, LAST FLT REVIEW. REPLACED MCP WITH SERVICEABLE ONE. ACCOMPLISHED INSTALLATION TEST, & LLM MAINT TESTS, TESTS PASSED IAW AMM 22-11-34-400-801, & 22-11-34-839-001.