What was found
A AUTOPILOT DISENGAGED AT FL360 DURING CRUISE. ACFT GROUNDED. ACCOMPLISHED DFCS BITE FLT FAULT, LAST LEG MSG 22-11607 FAULTED 3 TIMES AT FL360, REF B737-800, FIM 22-11-00. ACCOMPLISHED FIM 22-11-803, MCP TESTS. ALL TESTS PASSED. ACCOMPLISHED FCC A OPS LRU REPLACEMENT TESTS AMM 22-11-33, ALL OPS CKD NORMAL. ACCOMPLISHED FLT FAULT REVIEW HGS 34-36-00, SMM NO FAULTS LOGGED. ACCOMPLISHED DFCS LRU INTERFACE TEST FOR FCC IAW AMM 22-11-00/201, DFCS LRU INTERFACE TEST FOR MCP IAW AMM 22-11-34/501, LAND VERIFY TEST IAW AMM 22-11-00/201, AND HGS SYS TEST & SENSOR TEST FOR FCC/AT IAW SMM 34-36-00. ALL TESTS PASSED.