As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOT A DISENGAGED DURING CRUISE 2 TIMES - NO OTHER ANOMALIES - RE-ENGAGED. GROUNDED - YES. FOUND NUMEROUS MCP FAULTS ON A AND B AUTOPILOT FLIGHT LEGS 2 AND 5. REMOVED AND REPLACED MCP PER AMM 22-11-34. LAND VERIFY TEST PASSED PER AMM 22-11-00. MCP INSTALLATION TEST PASSED PER AMM 22-11-34. DFCS LRU REPLACEMENT TEST PASSED PER AMM 22-11-34. ETOPS REPAIR CONFIRMATION SUCCESSFUL.