What was found
AUTOPILOT ENGAGE BUTTON LIGHTS INOPERATIVE. AUTOPILOT FUNCTIONS NORMALLY. ACFT GROUNDED. DUPLICATED DISCREPANCY. REMOVED AND INSTALLED A NEW MCP, IAW AMM 22-11-34. ACCOMPLISHED INSTALL TEST, IAW AMM 22-11-34. ACCOMPLISHED LWMP CHECKLIST DFCS LRU INTERFACE TEST FOR MCP BITE GROUP 32, AMM 22-11-34/501, LAND VERIFY BITE GROUP 49, AMM 22-11-00/201, HGS SENSOR TEST FOR FCC/AT, IAW SMM 34-36-00. ALL TESTS PASSED. ACFT REMAINS CAT IIIA AUTOLAND AND HGS QUALIFIED. STATUS SCREW REFLECTS SAME.